Most Successful Commanders
| | Commander | Ships sunk | GRT sunk | Ships damaged | GRT damaged |  | C.C. Gianfranco Gazzana Priaroggia | 13 | 90,689 | | |
| C.F. Carlo Fecia di Cossato | 16 | 86,535 | | |
| C.C. Luigi Longanesi Cattani | 8 | 32,946 | | |
| C.C. Athos Fraternale | 5 | 32,406 | | |
| C.C. Emilio Olivieri | 5 | 29,038 | | |
| C.C. Antonio De Giacomo | 3 | 25,382 | | |
| C.C. Adalberto Giovannini | 3 | 24,322 | | |
| C.C. Ugo Giudice | 3 | 21,496 | | |
| T.V. Guido Saccardo | 1 | 20,043 | | |
| C.C. Salvatore Todaro | 3 | 17,838 | | |
| C.F. Primo Longobardo | 4 | 17,489 | | |
| C.F. Giandomenico Bruno | 3 | 16,509 | | |
| C.C. Mario Paolo Pollina | 5 | 15,804 | | |
| C.C. Marco Revedin | 2 | 13,961 | | |
| C.C. Francesco Murzi | 2 | 13,413 | | |
| T.V. Roberto Rigoli | 3 | 12,134 | | |
| C.C. Franco Tosoni Pittoni | 3 | 11,142 | | |
| C.F. Carlo Liannazza | 3 | 11,031 | | |
| C.V. Enzo Grossi | 2 | 10,137 | 1 | 5,753 |
| C.F. Vittore Raccanelli | 2 | 10,115 | | |
| T.V. Mario Rossetto | 2 | 9,264 | | |
| C.C. Enrico Bertarelli | 2 | 8,972 | | |
| C.F. Mario Leoni | 1 | 8,406 | | |
| C.C. Corrado Nardi | 1 | 8,215 | | |
| C.C. Ferdinando Calda | 1 | 8,030 | | |
| C.C. Luigi Baroni | 1 | 8,029 | | |
| T.V. Giuliano Prini | 2 | 7,978 | | |
| C.C. Walter Auconi | 1 | 6,600 | 1 | 4,220 |
| C.F. Riccardo Boris | 2 | 6,554 | 1 | 3,768 |
| C.C. Giuseppe Roselli Lorenzini | 1 | 5,759 | 1 | 22,048 |
| C.C. Mario Arillo | 1 | 5,450 | | |
| T.V. Francesco D'Alessandro | 1 | 5,327 | | |
| C.C. Giuseppe Caridi | 1 | 5,162 | | |
| C.C. Alberto Crepas | 1 | 5,066 | 1 | 1,337 |
| C.C. Manlio Petroni | 2 | 4,987 | | |
| C.C. Giuseppe Vocaturo | 1 | 4,662 | | |
| C.F. Giulio Chialamberto | 3 | 4,414 | | |
| C.C. Renato Ferrini | 1 | 4,290 | 2 | 17,794 |
| C.C. Carlo Tucci | 1 | 4,008 | | |
| C.C. Corrado Dal Pozzo | 1 | 3,512 | | |
| C.C. Alfredo Iaschi | 1 | 3,039 | | |
| C.F. Junio Valerio Borghese | 1 | 2,444 | 6 | 92,087 |
| C.C. Pasquale Gigli | 1 | 2,376 | | |
| C.C. Giuseppe Aicardi | 1 | 2,115 | | |
| C.C. Gioacchino Polizzi | 2 | 1,939 | | |
| T.V. Sergio Puccini | 1 | 1,917 | 3 | 18,143 |
| C.C. Romeo Romei | 1 | 1,888 | | |
| C.C. Paolo Monechi | 1 | 1,518 | | |
| T.V. Vittorio Patrelli Campagnano | 2 | 1,334 | | |
| C.C. Alberto Agostini | 1 | 1,253 | | |
| C.C. Bandino Bandini | 1 | 1,090 | | |
| C.C. Nicola Maiorana | 1 | 1,041 | | |
| C.C. Rino Erler | 1 | 1,040 | | |
| T.V. Adriano Pini | 1 | 941 | | |
| C.C. Emilio Berengan | 1 | 691 | | |
| G.M. Armando Sibille | 1 | 577 | | |
| T.V. Olinto Di Serio | 1 | 385 | | |
| C.C. Gino Andreani | 3 | 205 | | |
| C.C. Carlo Ferracuti | | | 2 | 11,454 |
| T.V. Renato Scandola | | | 1 | 7,516 |
| T.V. Claudio Celli | | | 1 | 90 |
| C.C. Salvatore Pelosi | | | 1 | 1,720 |
| T.V. Cesare Buldrini | | | 1 | 12,688 |
| T.V. Alberto Longhi | | | 1 | 5,450 |
| T.V. Aldo Lenzi | | | 1 | 5,231 |
Total of 138 ships sunk (662,908 GRT or tons) and 24 ships damaged (209,299 GRT or tons). Warships are listed in tons.
