This is the full listing of all ships hit during June 1917. You can click on any of the links for further information on either ship, U-boat, commander or convoy.
| Date | U-boat | Commander | | Name of ship | Tons | Nat. |
| |
| 1 Jun 1917 | U 57 | Carl-Siegfried Ritter von Georg | | Teal | 141 |  | br |
| 1 Jun 1917 | U 88 | Walther Schwieger | | Cavina | 6,539 |  | br |
| 1 Jun 1917 | UB 35 | Karl Stöter | | Paposo (p.) | 1,067 |  | nw |
| 1 Jun 1917 | UB 35 | Karl Stöter | | Rigmor (p.) | 161 |  | da |
| 1 Jun 1917 | UB 35 | Karl Stöter | | Viking (p.) | 2,952 |  | da |
| 1 Jun 1917 | UC 25 | Johannes Feldkirchner | | Domenico Miscuraca | 194 |  | it |
| 1 Jun 1917 | UC 25 | Johannes Feldkirchner | | Vittoria | 248 |  | it |
| 2 Jun 1917 | U 155 | Karl Meusel | | Hafursfjord | 1,669 |  | nw |
| 2 Jun 1917 | U 87 | Rudolf Schneider | | Eliofilo | 3,583 |  | it |
| 2 Jun 1917 | U 87 | Rudolf Schneider | | Mississipi (d.) | 6,687 |  | fr |
| 2 Jun 1917 | U 96 | Heinrich Jeß | | Shamrock | 170 |  | br |
| 2 Jun 1917 | U 96 | Heinrich Jeß | | St. Bernard | 186 |  | br |
| 2 Jun 1917 | UC 21 | Reinhold Saltzwedel | | Tonawanda (d.) | 3,421 |  | br |
| 2 Jun 1917 | UC 34 | Robert Sprenger | | Cameronian | 5,861 |  | br |
| 2 Jun 1917 | UC 72 | Ernst Voigt | | Ereaga | 2,233 |  | sp |
| 2 Jun 1917 | UC 72 | Ernst Voigt | | Skarpsno | 1,766 |  | nw |
| 2 Jun 1917 | UC 72 | Ernst Voigt | | St. Sunniva | 1,140 |  | nw |
| 3 Jun 1917 | | | | Mavis (d.) | 1,295 |  | br |
| 3 Jun 1917 | U 28 | Georg Schmidt | | Merioneth | 3,004 |  | br |
| 3 Jun 1917 | U 33 | Gustav Sieß | | Greenbank | 3,881 |  | br |
| 3 Jun 1917 | U 33 | Gustav Sieß | | Islandmore | 3,046 |  | br |
| 3 Jun 1917 | U 39 | Walter Forstmann | | Petronilla Madre | 43 |  | it |
| 3 Jun 1917 | U 47 | Heinrich Metzger | | Vulcanus | 1,470 |  | fr |
| 3 Jun 1917 | U 54 | Kurt Heeseler | | San Lorenzo (d.) | 9,607 |  | br |
| 3 Jun 1917 | U 69 | Ernst Wilhelms | | Luisa (d.) | 1,648 |  | it |
| 3 Jun 1917 | U 72 | Ernst Krafft | | Manin B. | 249 |  | it |
| 3 Jun 1917 | U 95 | Athalwin Prinz | | Hollington | 4,221 |  | br |
| 3 Jun 1917 | UB 23 | Hans Ewald Niemer | | Prudence | 25 |  | br |
| 3 Jun 1917 | UB 35 | Karl Stöter | | Sara (p.) | 1,573 |  | da |
| 3 Jun 1917 | UC 29 | Ernst Rosenow | | Elisabeth | 2,061 |  | fr |
| 3 Jun 1917 | UC 35 | Ernst von Voigt | | Dockleaf (d.) | 5,311 |  | br |
| 3 Jun 1917 | UC 4 | Georg Reimarus | | Geralda | 46 |  | br |
| 3 Jun 1917 | UC 58 | Karl Vesper | | Sten Ii | 227 |  | ru |
| 3 Jun 1917 | UC 66 | Herbert Pustkuchen | | Portofino | 1,754 |  | it |
| 3 Jun 1917 | UC 72 | Ernst Voigt | | Rosario | 1,565 |  | ur |
| 3 Jun 1917 | UC 77 | Reinhard von Rabenau | | Virgilia | 209 |  | br |
| 4 Jun 1917 | U 28 | Georg Schmidt | | Algol | 2,088 |  | ru |
| 4 Jun 1917 | U 43 | Waldemar Bender | | Juno | 1,169 |  | nw |
| 4 Jun 1917 | U 65 | Hermann von Fischel | | Manchester Trader | 3,938 |  | br |
| 4 Jun 1917 | U 70 | Otto Wünsche | | Southland | 11,899 |  | br |
| 4 Jun 1917 | U 71 | Walter Gude | | Orion | 1,870 |  | da |
| 4 Jun 1917 | UC 29 | Ernst Rosenow | | Songvand | 2,206 |  | nw |
| 4 Jun 1917 | UC 45 | Hubert Aust | | Phemius | 6,699 |  | br |
| 4 Jun 1917 | UC 53 | Kurt Albrecht | | City Of Baroda | 5,032 |  | br |
| 4 Jun 1917 | UC 55 | Theodor Schultz | | Clara | 923 |  | nw |
| 5 Jun 1917 | U 28 | Georg Schmidt | | Alaska | 90 |  | nw |
| 5 Jun 1917 | U 28 | Georg Schmidt | | Duen | 30 |  | nw |
| 5 Jun 1917 | U 28 | Georg Schmidt | | Sydkap | 89 |  | nw |
| 5 Jun 1917 | U 64 | Robert Moraht | | Kallundborg | 1,590 |  | br |
| 5 Jun 1917 | U 66 | Thorwald von Bothmer | | Amor | 3,472 |  | it |
| 5 Jun 1917 | U 66 | Thorwald von Bothmer | | Manchester Miller | 4,234 |  | br |
| 5 Jun 1917 | U 71 | Walter Gude | | C. Thorén | 269 |  | sw |
| 5 Jun 1917 | U 71 | Walter Gude | | Götha | 232 |  | sw |
| 5 Jun 1917 | UB 14 | Ernst Ulrich | | Karasunda | 155 |  | ru |
| 5 Jun 1917 | UB 23 | Hans Ewald Niemer | | Laura Ann | 116 |  | br |
| 6 Jun 1917 | U 39 | Walter Forstmann | | Diane | 590 |  | fr |
| 6 Jun 1917 | U 64 | Robert Moraht | | Oriana | 1,015 |  | ar |
| 6 Jun 1917 | U 69 | Ernst Wilhelms | | Parthenia | 5,160 |  | br |
| 6 Jun 1917 | U 88 | Walther Schwieger | | Eemdijk | 3,048 |  | nl |
| 6 Jun 1917 | UB 18 | Claus Lafrenz | | Cornelia | 170 |  | nl |
| 6 Jun 1917 | UB 21 | Franz Walther | | S.n.a. 2 | 2,294 |  | fr |
| 6 Jun 1917 | UC 25 | Johannes Feldkirchner | | Mitra (d.) | 5,592 |  | br |
| 6 Jun 1917 | UC 58 | Karl Vesper | | Edvard | 98 |  | sw |
| 6 Jun 1917 | UC 58 | Karl Vesper | | Elianna | 75 |  | sw |
| 6 Jun 1917 | UC 72 | Ernst Voigt | | Saint Eloi | 1,993 |  | fr |
| 6 Jun 1917 | UC 77 | Reinhard von Rabenau | | Anton | 1,568 |  | sw |
| 6 Jun 1917 | UC 77 | Reinhard von Rabenau | | Harald Klitgaard | 1,799 |  | da |
| 7 Jun 1917 | U 33 | Gustav Sieß | | Il Dionisio | 97 |  | it |
| 7 Jun 1917 | U 33 | Gustav Sieß | | San Antonio | 13 |  | it |
| 7 Jun 1917 | U 50 | Gerhard Berger | | Yuba | 1,458 |  | nw |
| 7 Jun 1917 | U 54 | Kurt Heeseler | | Jonathan Holt | 1,523 |  | br |
| 7 Jun 1917 | U 64 | Robert Moraht | | Mamma Filomena | 148 |  | it |
| 7 Jun 1917 | U 65 | Hermann von Fischel | | Rosa M | 64 |  | it |
| 7 Jun 1917 | U 66 | Thorwald von Bothmer | | Cranmore (d.) | 3,157 |  | br |
| 7 Jun 1917 | U 66 | Thorwald von Bothmer | | Ikalis | 4,329 |  | br |
| 7 Jun 1917 | U 72 | Ernst Krafft | | Errington Court (d.) | 4,461 |  | br |
| 7 Jun 1917 | U 88 | Walther Schwieger | | John Bakke | 1,611 |  | nw |
| 7 Jun 1917 | UB 21 | Franz Walther | | Sir Francis | 1,991 |  | br |
| 7 Jun 1917 | UB 40 | Hans Howaldt | | Mahopac (d.) | 3,216 |  | br |
| 7 Jun 1917 | UB 40 | Hans Howaldt | | Oldfield Grange (d.) | 4,653 |  | br |
| 7 Jun 1917 | UC 21 | Reinhold Saltzwedel | | Hafnia | 1,619 |  | da |
| 7 Jun 1917 | UC 29 | Ernst Rosenow | | Pargust (d.) | 2,817 |  | br |
| 7 Jun 1917 | UC 34 | Robert Sprenger | | Liliana | 70 |  | br |
| 7 Jun 1917 | UC 45 | Hubert Aust | | Golden Hope | 67 |  | br |
| 7 Jun 1917 | UC 75 | Johannes Lohs | | Wilhelm | 187 |  | br |
| 8 Jun 1917 | U 28 | Georg Schmidt | | Manchester Engineer (d.) | 4,465 |  | br |
| 8 Jun 1917 | U 28 | Georg Schmidt | | Sverre Ii | 44 |  | nw |
| 8 Jun 1917 | U 39 | Walter Forstmann | | Huntstrick | 8,151 |  | br |
| 8 Jun 1917 | U 39 | Walter Forstmann | | Isle Of Jura | 3,809 |  | br |
| 8 Jun 1917 | U 39 | Walter Forstmann | | Ml 540 (hms) | 37 |  | br |
| 8 Jun 1917 | U 39 | Walter Forstmann | | Ml 541 (hms) | 37 |  | br |
| 8 Jun 1917 | U 39 | Walter Forstmann | | Valdieri | 4,637 |  | it |
| 8 Jun 1917 | U 55 | Wilhelm Werner | | Russian Prince (d.) | 4,158 |  | br |
| 8 Jun 1917 | U 69 | Ernst Wilhelms | | Enidwen | 3,594 |  | br |
| 8 Jun 1917 | U 69 | Ernst Wilhelms | | Saragossa | 3,541 |  | br |
| 8 Jun 1917 | U 72 | Ernst Krafft | | Cheltonian | 4,426 |  | br |
| 8 Jun 1917 | U 72 | Ernst Krafft | | Felicina | 165 |  | it |
| 8 Jun 1917 | U 96 | Heinrich Jeß | | Orator | 3,563 |  | br |
| 8 Jun 1917 | UB 18 | Claus Lafrenz | | Cariad | 38 |  | br |
| 8 Jun 1917 | UB 18 | Claus Lafrenz | | Ocean’s Pride | 42 |  | br |
| 8 Jun 1917 | UB 18 | Claus Lafrenz | | Onward | 39 |  | br |
| 8 Jun 1917 | UB 18 | Claus Lafrenz | | Torbay Lass | 38 |  | br |
| 8 Jun 1917 | UB 32 | Max Viebeg | | Vinaes | 1,107 |  | nw |
| 8 Jun 1917 | UB 33 | Karl Ruprecht | | Kragerö (p.) | 550 |  | nw |
| 8 Jun 1917 | UB 40 | Hans Howaldt | | Phantom | 251 |  | br |
| 8 Jun 1917 | UC 72 | Ernst Voigt | | Sequana | 5,557 |  | fr |
| 9 Jun 1917 | U 55 | Wilhelm Werner | | Achilles | 641 |  | br |
| 9 Jun 1917 | U 61 | Victor Dieckmann | | Ada | 2,370 |  | sw |
| 9 Jun 1917 | U 61 | Victor Dieckmann | | Dana | 1,590 |  | da |
| 9 Jun 1917 | U 64 | Robert Moraht | | Fert | 5,567 |  | it |
| 9 Jun 1917 | U 64 | Robert Moraht | | Gratangen | 2,484 |  | nw |
| 9 Jun 1917 | U 70 | Otto Wünsche | | Appledore | 3,843 |  | br |
| 9 Jun 1917 | U 70 | Otto Wünsche | | Egyptiana | 3,818 |  | br |
| 9 Jun 1917 | U 70 | Otto Wünsche | | Harbury | 4,572 |  | br |
| 9 Jun 1917 | U 72 | Ernst Krafft | | Bravore | 1,650 |  | nw |
| 9 Jun 1917 | U 72 | Ernst Krafft | | General Laurie | 238 |  | br |
| 9 Jun 1917 | U 72 | Ernst Krafft | | Montebello | 2,603 |  | it |
| 9 Jun 1917 | U 94 | Alfred Saalwächter | | Deveron | 1,261 |  | nw |
| 9 Jun 1917 | U 96 | Heinrich Jeß | | Baron Cawdor | 4,316 |  | br |
| 9 Jun 1917 | k.u.k. U27 | Robert Teufl von Fernland | | Roland | 703 |  | fr |
| 9 Jun 1917 | UB 18 | Claus Lafrenz | | Marjorie | 119 |  | br |
| 9 Jun 1917 | UB 33 | Karl Ruprecht | | Götha (p.) | 720 |  | sw |
| 9 Jun 1917 | UB 40 | Hans Howaldt | | Eugene Mathilde | 15 |  | fr |
| 9 Jun 1917 | UB 40 | Hans Howaldt | | Francois Georgette | 7 |  | fr |
| 9 Jun 1917 | UC 48 | Kurt Ramien | | Amphitrite | 166 |  | pt |
| 9 Jun 1917 | UC 53 | Kurt Albrecht | | Lilly | 1,150 |  | da |
| 9 Jun 1917 | UC 53 | Kurt Albrecht | | Tordenvore | 1,565 |  | nw |
| 9 Jun 1917 | UC 57 | Friedrich Wißmann | | Ludwig | 78 |  | sw |
| 10 Jun 1917 | | | | Keeper | 572 |  | br |
| 10 Jun 1917 | U 155 | Karl Meusel | | Scottish Hero | 2,205 |  | ca |
| 10 Jun 1917 | U 28 | Georg Schmidt | | Marie Elsie | 2,615 |  | br |
| 10 Jun 1917 | U 28 | Georg Schmidt | | Perla | 5,355 |  | br |
| 10 Jun 1917 | U 39 | Walter Forstmann | | Petrolite | 3,710 |  | am |
| 10 Jun 1917 | U 43 | Waldemar Bender | | Haulwen | 4,032 |  | br |
| 10 Jun 1917 | U 60 | Karl Georg Schuster | | Clan Alpine | 3,587 |  | br |
| 10 Jun 1917 | U 61 | Victor Dieckmann | | Betty | 2,683 |  | ru |
| 10 Jun 1917 | U 61 | Victor Dieckmann | | Ribera | 3,511 |  | br |
| 10 Jun 1917 | U 66 | Thorwald von Bothmer | | Bay State | 6,583 |  | br |
| 10 Jun 1917 | U 70 | Otto Wünsche | | Galicia | 1,400 |  | br |
| 10 Jun 1917 | UB 12 | Ernst Steindorff | | Dulwich | 1,460 |  | br |
| 10 Jun 1917 | UB 40 | Hans Howaldt | | Henri Jeanne | 9 |  | fr |
| 10 Jun 1917 | UB 40 | Hans Howaldt | | Madeleine | 7 |  | fr |
| 10 Jun 1917 | UB 43 | Horst Obermüller | | Grafton (d.) | 7,350 |  | br |
| 10 Jun 1917 | UC 23 | Johannes Kirchner | | Kleopatra | 160 |  | gr |
| 10 Jun 1917 | UC 35 | Ernst von Voigt | | Annam | 6,075 |  | fr |
| 10 Jun 1917 | UC 48 | Kurt Ramien | | Solhaug | 1,217 |  | nw |
| 10 Jun 1917 | UC 53 | Kurt Albrecht | | Ligeiro (d.) | 285 |  | pt |
| 10 Jun 1917 | UC 53 | Kurt Albrecht | | Santa Maria | 303 |  | pt |
| 10 Jun 1917 | UC 74 | Wilhelm Marschall | | Stylianos | 389 |  | ag |
| 11 Jun 1917 | | | | Alida | 71 |  | sw |
| 11 Jun 1917 | | | | Helene | unknown |  | sw |
| 11 Jun 1917 | U 39 | Walter Forstmann | | Wera | 476 |  | ru |
| 11 Jun 1917 | U 43 | Waldemar Bender | | Teviotdale | 3,847 |  | br |
| 11 Jun 1917 | U 50 | Gerhard Berger | | Sigrun | 2,538 |  | nw |
| 11 Jun 1917 | U 55 | Wilhelm Werner | | Ausonia (d.) | 8,153 |  | br |
| 11 Jun 1917 | U 70 | Otto Wünsche | | City Of Perth | 3,427 |  | br |
| 11 Jun 1917 | U 82 | Hans Adam | | Zylpha | 2,917 |  | br |
| 11 Jun 1917 | U 94 | Alfred Saalwächter | | Thessaly (d.) | 4,310 |  | br |
| 11 Jun 1917 | k.u.k. U27 | Robert Teufl von Fernland | | Sakaki (d.) | 665 |  | jp |
| 11 Jun 1917 | UB 20 | Hermann Glimpf | | Knight Companion (d.) | 7,241 |  | br |
| 11 Jun 1917 | UB 32 | Max Viebeg | | Mar Cor | 3,257 |  | it |
| 11 Jun 1917 | UB 40 | Hans Howaldt | | Eustace (d.) | 3,995 |  | br |
| 11 Jun 1917 | UB 40 | Hans Howaldt | | Huntsholm | 2,073 |  | br |
| 11 Jun 1917 | UB 40 | Hans Howaldt | | Margarita (d.) | 2,788 |  | br |
| 11 Jun 1917 | UC 41 | Kurt Bernis | | Breid | 1,062 |  | nw |
| 11 Jun 1917 | UC 53 | Kurt Albrecht | | Sibens | 323 |  | ru |
| 11 Jun 1917 | UC 58 | Karl Vesper | | August | 120 |  | sw |
| 11 Jun 1917 | UC 74 | Wilhelm Marschall | | Benha | 1,878 |  | br |
| 11 Jun 1917 | UC 75 | Johannes Lohs | | Anglian | 5,532 |  | br |
| 12 Jun 1917 | U 39 | Walter Forstmann | | Gaita | 396 |  | ru |
| 12 Jun 1917 | U 55 | Wilhelm Werner | | Coronado (d.) | 6,539 |  | br |
| 12 Jun 1917 | U 64 | Robert Moraht | | Moreni | 4,045 |  | am |
| 12 Jun 1917 | U 94 | Alfred Saalwächter | | Amakura | 2,316 |  | br |
| 12 Jun 1917 | U 95 | Athalwin Prinz | | Polyxena | 5,737 |  | br |
| 12 Jun 1917 | UB 32 | Max Viebeg | | South Point | 4,258 |  | br |
| 12 Jun 1917 | UB 40 | Hans Howaldt | | Alfred | 130 |  | br |
| 12 Jun 1917 | UB 41 | Günther Krause | | Alwyn | 73 |  | br |
| 12 Jun 1917 | UC 47 | Paul Hundius | | Carew Castle | 256 |  | br |
| 12 Jun 1917 | UC 53 | Kurt Albrecht | | Symra | 3,005 |  | nw |
| 12 Jun 1917 | UC 69 | Erwin Waßner | | Alexandre | 697 |  | fr |
| 13 Jun 1917 | | | | Sant Antonio | 22 |  | it |
| 13 Jun 1917 | U 54 | Kurt Heeseler | | Darius | 3,426 |  | br |
| 13 Jun 1917 | U 62 | Ernst Hashagen | | Candace | 395 |  | nw |
| 13 Jun 1917 | U 62 | Ernst Hashagen | | Sylvia | 148 |  | nw |
| 13 Jun 1917 | U 69 | Ernst Wilhelms | | Kelvinbank | 4,072 |  | br |
| 13 Jun 1917 | U 72 | Ernst Krafft | | Biagio | 276 |  | it |
| 13 Jun 1917 | U 72 | Ernst Krafft | | Santo | 622 |  | it |
| 13 Jun 1917 | U 82 | Hans Adam | | Storegut | 2,557 |  | nw |
| 13 Jun 1917 | U 94 | Alfred Saalwächter | | Cederic | 2,344 |  | nw |
| 13 Jun 1917 | UB 33 | Karl Ruprecht | | Gertie (p.) | 257 |  | sw |
| 13 Jun 1917 | UB 41 | Günther Krause | | Silverburn | 284 |  | br |
| 13 Jun 1917 | UC 23 | Johannes Kirchner | | Aghios Nicolaos | 120 |  | gr |
| 13 Jun 1917 | UC 38 | Alfred Klatt | | St. Andrews | 3,613 |  | br |
| 13 Jun 1917 | UC 48 | Kurt Ramien | | Ernestine | 160 |  | fr |
| 14 Jun 1917 | U 100 | Degenhart von Loë | | Cedarbank | 2,825 |  | nw |
| 14 Jun 1917 | U 155 | Karl Meusel | | Aysgarth | 3,118 |  | br |
| 14 Jun 1917 | U 61 | Victor Dieckmann | | Widwud (d.) | 299 |  | ru |
| 14 Jun 1917 | U 66 | Thorwald von Bothmer | | Perfect | 1,088 |  | nw |
| 14 Jun 1917 | U 69 | Ernst Wilhelms | | Avenger | 13,441 |  | br |
| 14 Jun 1917 | U 79 | Otto Rohrbeck | | Carthaginian | 4,444 |  | br |
| 14 Jun 1917 | U 82 | Hans Adam | | Highbury | 4,831 |  | br |
| 14 Jun 1917 | U 82 | Hans Adam | | Ortolan | 1,727 |  | br |
| 14 Jun 1917 | UB 32 | Max Viebeg | | Vigoureuse | 152 |  | fr |
| 14 Jun 1917 | UB 41 | Günther Krause | | Angantyr | 1,359 |  | da |
| 14 Jun 1917 | UC 23 | Johannes Kirchner | | New Zealand Transport | 4,481 |  | br |
| 14 Jun 1917 | UC 36 | Gustav Buch | | Nirefs | 4,080 |  | gr |
| 14 Jun 1917 | UC 47 | Paul Hundius | | Dart | 3,207 |  | br |
| 14 Jun 1917 | UC 67 | Karl Neumann | | Lowther Castle (d.) | 4,439 |  | br |
| 14 Jun 1917 | UC 69 | Erwin Waßner | | Hasting | 983 |  | sw |
| 14 Jun 1917 | UC 71 | Reinhold Saltzwedel | | Wega | 839 |  | br |
| 15 Jun 1917 | U 39 | Walter Forstmann | | Espinho | 740 |  | pt |
| 15 Jun 1917 | U 82 | Hans Adam | | Albertine Beatrice | 1,379 |  | nl |
| 15 Jun 1917 | U 82 | Hans Adam | | Westonby | 3,795 |  | br |
| 15 Jun 1917 | UB 31 | Thomas Bieber | | Teesdale (d.) | 2,470 |  | br |
| 15 Jun 1917 | UC 37 | Otto Launburg | | Assunzione | 3,770 |  | it |
| 15 Jun 1917 | UC 38 | Alfred Klatt | | Elvaston (d.) | 4,130 |  | br |
| 15 Jun 1917 | UC 38 | Alfred Klatt | | Pasha | 5,930 |  | br |
| 15 Jun 1917 | UC 38 | Alfred Klatt | | Saint Louis V (d.) | 5,202 |  | fr |
| 15 Jun 1917 | UC 48 | Kurt Ramien | | Eugene Et Eugenie | 46 |  | fr |
| 15 Jun 1917 | UC 58 | Karl Vesper | | Cleo | 92 |  | sw |
| 15 Jun 1917 | UC 69 | Erwin Waßner | | Addah | 4,397 |  | br |
| 15 Jun 1917 | UC 71 | Reinhold Saltzwedel | | Wapello | 5,576 |  | br |
| 16 Jun 1917 | | | | Cissy | 3,030 |  | nw |
| 16 Jun 1917 | U 50 | Gerhard Berger | | Carrie Hervey | 111 |  | br |
| 16 Jun 1917 | U 61 | Victor Dieckmann | | Fallodon (d.) | 3,012 |  | br |
| 16 Jun 1917 | U 62 | Ernst Hashagen | | Kornsø | 115 |  | da |
| 16 Jun 1917 | U 82 | Hans Adam | | Jessie | 2,256 |  | br |
| 16 Jun 1917 | UB 22 | Karl Wacker | | Inge | 336 |  | da |
| 16 Jun 1917 | UC 27 | Gerhard Schulz | | Emsli | 31 |  | tu |
| 16 Jun 1917 | UC 27 | Gerhard Schulz | | Kamouma | 18 |  | tu |
| 16 Jun 1917 | UC 27 | Gerhard Schulz | | Kibira | 8 |  | tu |
| 16 Jun 1917 | UC 27 | Gerhard Schulz | | Liberte | 12 |  | tu |
| 16 Jun 1917 | UC 27 | Gerhard Schulz | | Metlaoni | 30 |  | tu |
| 16 Jun 1917 | UC 48 | Kurt Ramien | | John D. Archbold | 8,374 |  | am |
| 16 Jun 1917 | UC 53 | Kurt Albrecht | | Esperanza | 98 |  | sp |
| 16 Jun 1917 | UC 53 | Kurt Albrecht | | F.7.sb. | 50 |  | sp |
| 16 Jun 1917 | UC 6 | Werner Löwe | | Roald Amundsen (d.) | 4,390 |  | nw |
| 16 Jun 1917 | UC 69 | Erwin Waßner | | La Tour D’agon | 125 |  | fr |
| 17 Jun 1917 | | | | Tartar (d.) | 850 |  | br |
| 17 Jun 1917 | U 100 | Degenhart von Loë | | Gunhild | 996 |  | da |
| 17 Jun 1917 | U 60 | Karl Georg Schuster | | Nostra Madre | 649 |  | it |
| 17 Jun 1917 | U 61 | Victor Dieckmann | | Raloo | 1,012 |  | br |
| 17 Jun 1917 | U 78 | Otto Dröscher | | Fornebo | 4,259 |  | br |
| 17 Jun 1917 | UB 31 | Thomas Bieber | | Stanhope | 2,854 |  | br |
| 17 Jun 1917 | UC 22 | Heino von Heimburg | | Aghios Georgios | 16 |  | gr |
| 17 Jun 1917 | UC 27 | Gerhard Schulz | | Argentina | 41 |  | it |
| 17 Jun 1917 | UC 27 | Gerhard Schulz | | Bell Angelina | 14 |  | it |
| 17 Jun 1917 | UC 27 | Gerhard Schulz | | Giuseppe S. | 20 |  | it |
| 17 Jun 1917 | UC 27 | Gerhard Schulz | | Luigina | 19 |  | it |
| 17 Jun 1917 | UC 27 | Gerhard Schulz | | San Antonio V | 23 |  | it |
| 17 Jun 1917 | UC 42 | Otto Heinrich Tornow | | Lizzie Westoll | 2,855 |  | br |
| 17 Jun 1917 | UC 48 | Kurt Ramien | | Anjou | 771 |  | fr |
| 17 Jun 1917 | UC 48 | Kurt Ramien | | Antonios M. Mavrogordatos | 3,771 |  | gr |
| 17 Jun 1917 | UC 49 | Karl Petri | | Tosto | 1,234 |  | nw |
| 17 Jun 1917 | UC 65 | Otto Steinbrinck | | Fraser | 310 |  | br |
| 18 Jun 1917 | U 24 | Walter Remy | | Elele | 6,557 |  | br |
| 18 Jun 1917 | U 24 | Walter Remy | | English Monarch | 4,947 |  | br |
| 18 Jun 1917 | U 58 | Peter Hermann | | Bega | 318 |  | br |
| 18 Jun 1917 | U 70 | Otto Wünsche | | Queen Adelaide | 4,965 |  | br |
| 18 Jun 1917 | U 82 | Hans Adam | | Thistledhu | 4,026 |  | br |
| 18 Jun 1917 | UC 17 | Werner Fürbringer | | Borneo | 211 |  | br |
| 18 Jun 1917 | UC 23 | Johannes Kirchner | | Pannomitis | 11 |  | gr |
| 18 Jun 1917 | UC 23 | Johannes Kirchner | | Xisias | 400 |  | gr |
| 18 Jun 1917 | UC 27 | Gerhard Schulz | | Bettina | 140 |  | it |
| 18 Jun 1917 | UC 27 | Gerhard Schulz | | Bianca B. | 329 |  | it |
| 18 Jun 1917 | UC 27 | Gerhard Schulz | | Letizia C. | 136 |  | it |
| 18 Jun 1917 | UC 27 | Gerhard Schulz | | Marietta B. | 52 |  | it |
| 18 Jun 1917 | UC 27 | Gerhard Schulz | | Paolina Aida | 250 |  | it |
| 18 Jun 1917 | UC 48 | Kurt Ramien | | Tyne | 2,909 |  | br |
| 18 Jun 1917 | UC 51 | Hans Galster | | Kangaroo | 76 |  | br |
| 18 Jun 1917 | UC 51 | Hans Galster | | Violet | 158 |  | br |
| 18 Jun 1917 | UC 6 | Werner Löwe | | Dorte Jensen | 2,086 |  | da |
| 18 Jun 1917 | UC 65 | Otto Steinbrinck | | Gauntlet | 58 |  | br |
| 18 Jun 1917 | UC 65 | Otto Steinbrinck | | Vaering | 2,157 |  | da |
| 18 Jun 1917 | UC 75 | Johannes Lohs | | Kathlamba (d.) | 6,382 |  | br |
| 19 Jun 1917 | U 39 | Walter Forstmann | | Kyma | 3,420 |  | gr |
| 19 Jun 1917 | U 43 | Waldemar Bender | | Tunisie | 3,246 |  | fr |
| 19 Jun 1917 | U 58 | Peter Hermann | | Ivigtut | 456 |  | da |
| 19 Jun 1917 | U 60 | Karl Georg Schuster | | Brookby | 3,679 |  | br |
| 19 Jun 1917 | U 61 | Victor Dieckmann | | Batoum | 4,054 |  | br |
| 19 Jun 1917 | U 64 | Robert Moraht | | La Giuseppina | 28 |  | it |
| 19 Jun 1917 | U 64 | Robert Moraht | | Nuovo Mondo Carmelo | 25 |  | it |
| 19 Jun 1917 | U 70 | Otto Wünsche | | Buffalo | 4,106 |  | br |
| 19 Jun 1917 | U 93 | Helmut Gerlach | | Louise | 645 |  | nw |
| 19 Jun 1917 | k.u.k. U4 | Rudolf Singule | | Cefira | 411 |  | fr |
| 19 Jun 1917 | k.u.k. U4 | Rudolf Singule | | Edouard Corbiere | 475 |  | fr |
| 19 Jun 1917 | k.u.k. U4 | Rudolf Singule | | Kerkyra | 411 |  | gr |
| 19 Jun 1917 | UC 17 | Werner Fürbringer | | Kate And Annie | 96 |  | br |
| 19 Jun 1917 | UC 17 | Werner Fürbringer | | Mary Ann (d.) | 164 |  | br |
| 19 Jun 1917 | UC 23 | Johannes Kirchner | | Jakobus | 304 |  | gr |
| 19 Jun 1917 | UC 23 | Johannes Kirchner | | Maria | 35 |  | gr |
| 19 Jun 1917 | UC 23 | Johannes Kirchner | | Raxiarchos | 30 |  | gr |
| 19 Jun 1917 | UC 27 | Gerhard Schulz | | Amalia | 22 |  | it |
| 19 Jun 1917 | UC 27 | Gerhard Schulz | | Antonio Balbi | 25 |  | it |
| 19 Jun 1917 | UC 27 | Gerhard Schulz | | Domenica Madre | 51 |  | it |
| 19 Jun 1917 | UC 27 | Gerhard Schulz | | La Michelina | 34 |  | it |
| 19 Jun 1917 | UC 27 | Gerhard Schulz | | Mistica Rosa | 31 |  | it |
| 19 Jun 1917 | UC 27 | Gerhard Schulz | | Raffaelo | 24 |  | it |
| 19 Jun 1917 | UC 27 | Gerhard Schulz | | Rosinella | 27 |  | it |
| 19 Jun 1917 | UC 27 | Gerhard Schulz | | S. Vincenzo Ferrari P. | 52 |  | it |
| 19 Jun 1917 | UC 27 | Gerhard Schulz | | San Antonio | 28 |  | it |
| 19 Jun 1917 | UC 27 | Gerhard Schulz | | San Giovanni Battista | 32 |  | it |
| 19 Jun 1917 | UC 47 | Paul Hundius | | Great City (d.) | 5,525 |  | br |
| 19 Jun 1917 | UC 69 | Erwin Waßner | | Bearn | 1,288 |  | fr |
| 19 Jun 1917 | UC 69 | Erwin Waßner | | Spind | 1,174 |  | nw |
| 19 Jun 1917 | UC 75 | Johannes Lohs | | Kelso | 1,292 |  | br |
| 20 Jun 1917 | U 19 | Johannes Spieß | | Fido | 1,459 |  | nw |
| 20 Jun 1917 | U 39 | Walter Forstmann | | Eli Lindoe | 1,116 |  | nw |
| 20 Jun 1917 | U 61 | Victor Dieckmann | | Nitonian (d.) | 6,381 |  | br |
| 20 Jun 1917 | U 62 | Ernst Hashagen | | Bengore Head | 2,490 |  | br |
| 20 Jun 1917 | U 94 | Alfred Saalwächter | | Salvia | 1,250 |  | br |
| 20 Jun 1917 | UC 22 | Heino von Heimburg | | Ariane | 414 |  | fr |
| 20 Jun 1917 | UC 27 | Gerhard Schulz | | Ruperra | 4,232 |  | br |
| 20 Jun 1917 | UC 57 | Friedrich Wißmann | | Penpol (p.) | 2,061 |  | br |
| 20 Jun 1917 | UC 69 | Erwin Waßner | | Katerina | 3,092 |  | gr |
| 20 Jun 1917 | UC 75 | Johannes Lohs | | Benita | 130 |  | br |
| 20 Jun 1917 | UC 75 | Johannes Lohs | | Bidartaise | 123 |  | fr |
| 21 Jun 1917 | U 19 | Johannes Spieß | | Black Head | 1,898 |  | br |
| 21 Jun 1917 | U 19 | Johannes Spieß | | Laatefos | 1,458 |  | nw |
| 21 Jun 1917 | U 50 | Gerhard Berger | | Ortona | 5,524 |  | br |
| 21 Jun 1917 | U 62 | Ernst Hashagen | | Lord Roberts | 4,166 |  | br |
| 21 Jun 1917 | UC 17 | Werner Fürbringer | | Childe Harold | 781 |  | am |
| 21 Jun 1917 | UC 17 | Werner Fürbringer | | Scheria | 2,727 |  | it |
| 21 Jun 1917 | UC 53 | Kurt Albrecht | | Nord (d.) | 3,193 |  | fr |
| 21 Jun 1917 | UC 64 | Ernst Müller-Schwarz | | Hendrika | 109 |  | nl |
| 21 Jun 1917 | UC 69 | Erwin Waßner | | E. T. Nygaard | 1,923 |  | da |
| 22 Jun 1917 | U 100 | Degenhart von Loë | | Melford Hall | 6,339 |  | br |
| 22 Jun 1917 | U 19 | Johannes Spieß | | Bolette | 1,431 |  | nw |
| 22 Jun 1917 | U 39 | Walter Forstmann | | Toro | 1,141 |  | ur |
| 22 Jun 1917 | U 63 | Otto Schultze | | Himalaya | 5,620 |  | fr |
| 22 Jun 1917 | U 79 | Otto Rohrbeck | | Maggie | 1,118 |  | nw |
| 22 Jun 1917 | UC 51 | Hans Galster | | Miami | 3,762 |  | br |
| 23 Jun 1917 | U 39 | Walter Forstmann | | Isere | 2,159 |  | fr |
| 23 Jun 1917 | U 55 | Wilhelm Werner | | Sophie | 89 |  | da |
| 23 Jun 1917 | U 55 | Wilhelm Werner | | Star | 120 |  | da |
| 23 Jun 1917 | U 63 | Otto Schultze | | Craonne | 777 |  | fr |
| 23 Jun 1917 | U 63 | Otto Schultze | | Kalypso Vergotti | 2,819 |  | gr |
| 23 Jun 1917 | U 79 | Otto Rohrbeck | | Corientes | 280 |  | br |
| 23 Jun 1917 | UC 27 | Gerhard Schulz | | Jules | 49 |  | fr |
| 24 Jun 1917 | U 62 | Ernst Hashagen | | South Wales | 3,668 |  | br |
| 24 Jun 1917 | U 94 | Alfred Saalwächter | | Sylvanian | 4,858 |  | br |
| 24 Jun 1917 | UB 42 | Kurt Schwarz | | Cestrian | 8,912 |  | br |
| 24 Jun 1917 | UC 1 | Christian Mildenstein | | Kempton | 810 |  | br |
| 24 Jun 1917 | UC 1 | Christian Mildenstein | | Redcar | 810 |  | br |
| 24 Jun 1917 | UC 17 | Werner Fürbringer | | Clan Davidson | 6,486 |  | br |
| 24 Jun 1917 | UC 17 | Werner Fürbringer | | Crown Of Arragon | 4,550 |  | br |
| 24 Jun 1917 | UC 51 | Hans Galster | | Hilversum | 1,505 |  | nl |
| 24 Jun 1917 | UC 57 | Friedrich Wißmann | | Meggie (p.) | 1,802 |  | br |
| 24 Jun 1917 | UC 62 | Max Schmitz | | Taipo | 247 |  | br |
| 24 Jun 1917 | UC 64 | Ernst Müller-Schwarz | | Telegraaf Xvii | 306 |  | nl |
| 24 Jun 1917 | UC 65 | Otto Steinbrinck | | Aghia Paraskevi | 2,795 |  | gr |
| 24 Jun 1917 | UC 65 | Otto Steinbrinck | | Constantinos | 3,014 |  | gr |
| 24 Jun 1917 | UC 65 | Otto Steinbrinck | | Kong Haakon | 2,231 |  | nw |
| 24 Jun 1917 | UC 65 | Otto Steinbrinck | | Taigetos | 2,961 |  | gr |
| 24 Jun 1917 | UC 69 | Erwin Waßner | | Cabo Verde | 2,220 |  | pt |
| 24 Jun 1917 | UC 69 | Erwin Waßner | | Helma | 1,131 |  | nw |
| 25 Jun 1917 | U 62 | Ernst Hashagen | | Guildhall | 2,609 |  | br |
| 25 Jun 1917 | U 72 | Ernst Krafft | | Southern (d.) | 5,694 |  | br |
| 25 Jun 1917 | UC 17 | Werner Fürbringer | | Galena | 1,073 |  | am |
| 25 Jun 1917 | UC 17 | Werner Fürbringer | | Saxon Monarch | 4,828 |  | br |
| 25 Jun 1917 | UC 35 | Ernst von Voigt | | Anatolia | 3,847 |  | br |
| 25 Jun 1917 | UC 40 | Gustav Deuerlich | | Gelsina | 227 |  | br |
| 25 Jun 1917 | UC 65 | Otto Steinbrinck | | Petritzis | 3,692 |  | gr |
| 26 Jun 1917 | U 50 | Gerhard Berger | | Vonin | 104 |  | da |
| 26 Jun 1917 | U 62 | Ernst Hashagen | | Cattaro | 2,908 |  | br |
| 26 Jun 1917 | U 62 | Ernst Hashagen | | Gorsemore (d.) | 3,079 |  | br |
| 26 Jun 1917 | U 62 | Ernst Hashagen | | Manistee | 3,869 |  | br |
| 26 Jun 1917 | U 63 | Otto Schultze | | Birdoswald | 4,013 |  | br |
| 26 Jun 1917 | U 79 | Otto Rohrbeck | | Charles Astie | 295 |  | br |
| 26 Jun 1917 | U 79 | Otto Rohrbeck | | Serapis | 1,932 |  | br |
| 26 Jun 1917 | U 94 | Alfred Saalwächter | | Haverford (d.) | 11,635 |  | br |
| 26 Jun 1917 | UC 57 | Friedrich Wißmann | | Georg | 18 |  | ru |
| 26 Jun 1917 | UC 57 | Friedrich Wißmann | | Marie | 87 |  | ru |
| 26 Jun 1917 | UC 57 | Friedrich Wißmann | | Martiniemi | 30 |  | ru |
| 26 Jun 1917 | UC 57 | Friedrich Wißmann | | Tervo | 58 |  | ru |
| 26 Jun 1917 | UC 62 | Max Schmitz | | A. B. Sherman (d.) | 611 |  | am |
| 26 Jun 1917 | UC 63 | Karsten von Heydebreck | | Frigate Bird | 20 |  | br |
| 26 Jun 1917 | UC 71 | Reinhold Saltzwedel | | Normandy (d.) | 543 |  | fr |
| 27 Jun 1917 | U 21 | Otto Hersing | | Baltic | 1,125 |  | sw |
| 27 Jun 1917 | U 53 | Hans Rose | | Ultonia | 10,402 |  | br |
| 27 Jun 1917 | U 60 | Karl Georg Schuster | | Armadale | 6,153 |  | br |
| 27 Jun 1917 | U 63 | Otto Schultze | | Tong Hong | 2,184 |  | br |
| 27 Jun 1917 | U 93 | Helmut Gerlach | | Baron Ogilvy | 4,570 |  | br |
| 27 Jun 1917 | UB 40 | Hans Howaldt | | Solway Prince | 317 |  | br |
| 27 Jun 1917 | UB 47 | Hans Hermann Wendlandt | | Doxa | 350 |  | gr |
| 27 Jun 1917 | UC 61 | Georg Gerth | | Kleber | 7,578 |  | fr |
| 27 Jun 1917 | UC 63 | Karsten von Heydebreck | | Longbenton | 924 |  | br |
| 28 Jun 1917 | U 34 | Johannes Klasing | | Minerve | 723 |  | fr |
| 28 Jun 1917 | UB 40 | Hans Howaldt | | Marguerite | 1,544 |  | fr |
| 28 Jun 1917 | UB 40 | Hans Howaldt | | Northfield (d.) | 2,099 |  | br |
| 28 Jun 1917 | UC 33 | Martin Schelle | | Corona | 48 |  | br |
| 28 Jun 1917 | UC 62 | Max Schmitz | | Don Arturo | 3,680 |  | br |
| 28 Jun 1917 | UC 62 | Max Schmitz | | Neotsfield | 1,875 |  | br |
| 28 Jun 1917 | UC 63 | Karsten von Heydebreck | | Elsie | 20 |  | br |
| 28 Jun 1917 | UC 63 | Karsten von Heydebreck | | Frances | 20 |  | br |
| 28 Jun 1917 | UC 63 | Karsten von Heydebreck | | Glenelg | 32 |  | br |
| 28 Jun 1917 | UC 63 | Karsten von Heydebreck | | Harbinger | 39 |  | br |
| 28 Jun 1917 | UC 63 | Karsten von Heydebreck | | Rose Of June | 20 |  | br |
| 28 Jun 1917 | UC 63 | Karsten von Heydebreck | | William And Betsy | 21 |  | br |
| 28 Jun 1917 | UC 65 | Otto Steinbrinck | | Lizzie Ellen | 114 |  | br |
| 28 Jun 1917 | UC 71 | Reinhold Saltzwedel | | Marne | 4,019 |  | fr |
| 29 Jun 1917 | U 88 | Walther Schwieger | | Escondido | 1,066 |  | nw |
| 29 Jun 1917 | UC 21 | Werner von Zerboni di Sposetti | | Lauwerzee | 47 |  | nl |
| 29 Jun 1917 | UC 33 | Martin Schelle | | Gem | 79 |  | br |
| 29 Jun 1917 | UC 33 | Martin Schelle | | Manx Princess | 87 |  | br |
| 29 Jun 1917 | UC 71 | Reinhold Saltzwedel | | Driskos | 2,833 |  | gr |
| 30 Jun 1917 | | | | Vrontados | 2,598 |  | gr |
| 30 Jun 1917 | U 155 | Karl Meusel | | Benguela | 4,612 |  | nw |
| 30 Jun 1917 | U 155 | Karl Meusel | | Siraa | 1,938 |  | nw |
| 30 Jun 1917 | U 34 | Johannes Klasing | | Mont Viso | 4,820 |  | fr |
| 30 Jun 1917 | U 63 | Otto Schultze | | Alkelda | 98 |  | it |
| 30 Jun 1917 | U 63 | Otto Schultze | | Enrichetta | 3,638 |  | it |
| 30 Jun 1917 | U 79 | Otto Rohrbeck | | Bröderna | 39 |  | sw |
| 30 Jun 1917 | U 79 | Otto Rohrbeck | | Lancaster | 77 |  | sw |
| 30 Jun 1917 | U 79 | Otto Rohrbeck | | Preceptor | 55 |  | sw |
| 30 Jun 1917 | k.u.k. U28 | Zdenko Hudecek | | Haigh Hall | 4,809 |  | br |
| 30 Jun 1917 | UB 23 | Hans Ewald Niemer | | Ilston | 2,426 |  | br |
| 30 Jun 1917 | UB 40 | Hans Howaldt | | Borgund I | 764 |  | nw |
| 30 Jun 1917 | UB 40 | Hans Howaldt | | Chateau Yquem | 1,913 |  | fr |
| 30 Jun 1917 | UB 47 | Hans Hermann Wendlandt | | Concettina | 113 |  | it |
| 30 Jun 1917 | UB 47 | Hans Hermann Wendlandt | | Sacra Famiglia | 98 |  | it |
| 30 Jun 1917 | UC 31 | Otto von Schrader | | Lady Of The Lake | 51 |  | br |
| 30 Jun 1917 | UC 33 | Martin Schelle | | Cheerful | 370 |  | br |
| 30 Jun 1917 | UC 33 | Martin Schelle | | Germania | 1,064 |  | sw |
| 30 Jun 1917 | UC 34 | Robert Sprenger | | Caledonien | 4,140 |  | fr |
| 30 Jun 1917 | UC 44 | Kurt Tebbenjohanns | | Asalia | 2,348 |  | nw |
| 30 Jun 1917 | UC 44 | Kurt Tebbenjohanns | | Phoebus | 3,133 |  | it |
| 30 Jun 1917 | UC 63 | Karsten von Heydebreck | | Markersdal | 1,640 |  | da |
| 30 Jun 1917 | UC 67 | Karl Neumann | | Il Nuovo Gasperino Gabriele | 35 |  | it |
|
| 882,236 | | | 387 ships sunk (710,324 tons) and 42 ships damaged (171,912 tons). Legend (d.) means the ship was damaged. (p.) means the ship was taken as prize (included in ships & tonnage lost).
|
This map shows where Allied ships were hit during June 1917.

In some cases the exact positions of losses are not known, those are not shown.