A-klassen SS 
United Kingdom: 16
| P441 Alaric | Cammell Laird | 31-5-45 | 18-5-46 | 11-12-46 | ophugget 7/71 |
| P449 Artemis | Scotts | 28-2-44 | 26-8-46 | 15-8-47 | ophugget 1972 |
| P456 Artful | Scotts | - | - | - | - |
| P415 Alcide | Vickers-Armstrong | 2-1-45 | 12-4-45 | 12-4-45 | ophugget 6/74 |
| P416 Alderney | Vickers-Armstrong | 6-2-45 | 25-6-45 | 10-12-46 | S66; ophugget 6/72 |
| P417 Alliance | Vickers-Armstrong | - | 28-7-45 | - | - |
| P418 Ambush | Vickers-Armstrong | - | 24-9-45 | - | - |
| P419 Auriga | Vickers-Armstrong | 7-6-44 | 29-3-45 | 12-1-46 | S69; ophugget 2/75 |
| P439 Amphion > S-43 | Vickers-Armstrong | 14-11-43 | 31-8-44 | 27-3-45 | ex Anchorite; ophugget 6/71 |
| P421 Affray | Cammell Laird | 19-1-44 | 12-4-44 | 25-11-45 | udfaset 6/51; sank |
| P422 Anchorite | Vickers-Armstrong | 13-8-45 | 22-1-46 | 18-11-47 | S22/S64; ex Amphion ; ophugget 8/70 |
| P423 Andrew | Vickers-Armstrong | - | 6-4-46 | - | - |
| P447 Astute | Vickers-Armstrong | 4-4-44 | 30-1-45 | 30-6-45 | S47/S45; ophugget 10/70 |
| P426 Aurochs | Vickers-Armstrong | - | 28-7-45 | - | - |
| P411 Acheron | Chatham Dockyard | 26-8-44 | 25-3-47 | - | Canada 64-66?; udfaset 72 |
| P427 Aeneas | Cammell Laird | - | 9-10.45 | - | ophugget 74 |
Deplacement: 1.120/1.620 tons
Dimensioner: 89,46 x 6,81 x 5,51 m
Kanoner: 1 4-tommer, 1 20mm, 3 MG
Torpedorør: 10 21-tommer, 20 torpedoer medføres
Maskineri:
Brændstof: 159 tons
Besætning: 60 mand