| Navy | The Royal Navy |
| Type | Destroyer |
| Class | Havant |
| Pennant | H 57 |
| Built by | Thornycroft (Southampton, U.K.) |
| Ordered | |
| Laid down | 6 Jul, 1938 |
| Launched | 1 Aug, 1939 |
| Commissioned | 22 Jan, 1940 |
| End service | |
| Loss position | |
| History | Requisitioned by the Royal Navy on 4 September 1939 while being built for the Brazilian Navy. Named HMS Hearty, renamed HMS Hesperus after completion on 27 February 1940.
Sold to be broken up for scrap on 26 November 1946. Commanding Officers: Lt.Cdr. Donald George Frederick Wyville MacIntyre, RN Lt.Cdr. Arthur Andre Tait, RN Cdr. Arthur Frederick St. George Orpen, OBE, DSC, RN Cdr. Donald George Frederick Wyville MacIntyre, DSO, RN Cdr. George Victor Legassick, DSC, RD, RNR Lt. Anthony Charles Dennisis Leach, RN Capt. Robert Alexander Currie, DSC, RN |
| Former name | HMS Hearty (ex-Brazilian Juruena) |
| Noteable events involving Hesperus include: 7 Dec, 1941 15 Jan, 1942 26 Dec, 1942 23 Apr, 1943 12 May, 1943 |

