List of submarine classes in service

The list of submarine classes in service includes all submarine classes currently in service with navies or other armed forces worldwide. For surface combatants, see the list of naval ship classes in service.

Ballistic missile submarines

 * Arihant Class ballistic missile submarine (Project ATV)
 * Builder: 🇮🇳
 * Displacement: 6600 tons
 * Operator: : 1 undergoing trials, 4 under development
 * Borei class ballistic missile submarine (Project 955 Borey)
 * Builder: 🇷🇺
 * Displacement: 23,800 tons
 * Operator: :  2 in service, 1 undergoing trials, 1 ships building


 * Delta class ballistic missile submarine (Project 667BDR Kal'mar / 667BDRM Del'fin)
 * Builder:  / 🇷🇺
 * Displacement: 18,730 tons
 * Operator: :  9 in service, including 3 Delta III and 6 Delta IV


 * Jin class ballistic missile submarine (Project 094)
 * Builder:
 * Displacement: 9,000 tons
 * Operator: :  2+ in service


 * ballistic missile submarine (SSBN 726)
 * Builder: 🇺🇸
 * Displacement: 18,450 tons
 * Operator: :  14 in service with ballistic missiles


 * Triomphant class ballistic missile submarine
 * Builder: 🇫🇷
 * Displacement: 14,000 tons
 * Operator: :  4 in service


 * Typhoon class ballistic missile submarine (Project 941 Akula)
 * Builder:  / 🇷🇺
 * Displacement: 33,800 tons
 * Operator: :  1 in active service of 6 built


 * Vanguard class ballistic missile submarine
 * Builder
 * Displacement: 15,680 tons
 * Operator: : 4 in service


 * Xia class ballistic missile submarine (Project 092)
 * Builder:
 * Displacement: 7,000 tons
 * Operator: :  1 in service

Guided missile submarines

 * Oscar class guided missile submarine (Project 949A Antey)
 * Builder:  / 🇷🇺
 * Displacement: 19,400 tons
 * Operator: :  8 in active service plus 2 in reserve


 * "Tactical Trident": Special Forces and Super Strike (SSGN 726)
 * Builder: 🇺🇸
 * Displacement: 18,750 tons
 * Operator: :  4 in active service each with ~154 Tomahawks

Nuclear-powered attack submarines

 * Akula class attack submarine (Project 971 Shchuka)
 * Builder:  / 🇷🇺
 * Displacement: 10,700 tons
 * Operator:
 * : 11 in service, including 3 Improved Akula and 2 Akula II
 * : 1 Akula II in active service


 * Astute class attack submarine
 * Builder:
 * Displacement: 7,400 tons
 * Operator: : 1 in service, 1 launched & 4 under construction out of a total of 7 (ordered) in class


 * Han class attack submarine (Type 091)
 * Builder:
 * Displacement: 4,500 tons
 * Operator: :  3? in service


 * Los Angeles class attack submarine (SSN 688)
 * Builder: 🇺🇸
 * Displacement: 7,000 tons
 * Operator: :  43 in commission


 * Rubis / Amethyste class attack submarine
 * Builder: 🇫🇷
 * Displacement: 2,670 tons
 * Operator: :  6 in service


 * Seawolf class attack submarine (SSN 21)
 * Builder: 🇺🇸
 * Displacement: 9,300 tons
 * Operator: :  2 in commission as attack subs with a third as a special mission support submarine


 * Yasen class attack submarine (Project 885)
 * Builder: 🇷🇺
 * Displacement: 11,800 tons
 * Operator: 2 Building


 * Shang class attack submarine (Type 093)
 * Builder:
 * Displacement: 8,000 tons
 * Operator: :  2 in service


 * Sierra class attack submarine (Project 945)
 * Builder:
 * Displacement: 10,400 tons
 * Operator: :  3 in service, including one Sierra I and two Sierra II submarines


 * Trafalgar class attack submarine
 * Builder:
 * Displacement: 5,208 tons
 * Operator: : 6 in service out of 7 built


 * Victor III class attack submarine (Project 671)
 * Builder:
 * Displacement: 7,250 tons
 * Operator: :  8 in service


 * Virginia class attack submarine (SSN 774)
 * Builder: 🇺🇸
 * Displacement: 7,800 tons
 * Operator: :  8 in service, 6 building, 30 planned.

Diesel-electric attack submarines

 * Agosta-class submarine
 * Builder: 🇫🇷 / 🇪🇸
 * Displacement: 1,725 tons
 * Operators:
 * Naval Jack of Pakistan.svg Pakistan Navy: 5 in service
 * : 4 in service


 * Challenger class (ex-Sjöormen class) submarine
 * Builder: 🇸🇪
 * Displacement: 1,210 tons
 * Operator: :  4 in service


 * Collins-class submarine
 * Builder: 🇦🇺
 * Displacement: 3,050 tons
 * Operator: : 6 in commission


 * Dolphin-class submarine
 * Builder: 🇩🇪
 * Displacement: 1,900 tons
 * Operator: : 3 in service, 3 AIP building/ordered


 * Harushio-class submarine
 * Builder: 🇯🇵
 * Displacement: 2,750 tons
 * Operator: : 2 training submarines, 5 retired


 * Kilo-class submarine (Project 877 Paltus and Project 636)
 * Builder:  / 🇷🇺
 * Displacement: 3,100 tons
 * Operators:
 * : 9 Kilo, 1 exploded known as the Sindhughosh class
 * : 2 Kilo and 10 Improved Kilo in service
 * : 17 in service plus a number of reserves, 6 Improved Kilo ordered
 * : 2 Original Kilo and 2 Improved Kilo
 * : 1 Kilo
 * : 3 Kilo
 * : 1 Kilo
 * : 6 Improved Kilo ordered


 * Kobben-class (Type 207) submarine
 * Builder: 🇩🇪
 * Displacement: 485 tons
 * Operators: : 4 in service, handed over from Norway


 * Ming-class (Type 035) submarine
 * Builder:
 * Displacement: 2,100 tons
 * Operator: :  17


 * Oyashio-class submarine
 * Builder: 🇯🇵
 * Displacement: 4,000 tons
 * Operator: :  11 in service


 * Romeo-class submarine
 * Builder:
 * Displacement: 1,830 tons
 * Operators:
 * : 1 of many delivered remains in service, restricted capabilities


 * Sauro-class submarine
 * Builder: 🇮🇹
 * Displacement: 1,653 tons
 * Operator: :  4 in service


 * Song-class submarine
 * Builder:
 * Displacement: 2,250 tons
 * Operator: :  16 in service


 * TR-1700 class submarine
 * Builder: 🇩🇪
 * Displacement: 2116 tons
 * Operators:: 2 in service


 * Type 209 submarine
 * Builder: 🇩🇪
 * Displacement: 1,230/1,290/1,586 tons
 * Operators:
 * : 1 in service
 * : 5 in service
 * : 2 in service
 * : 2 in service
 * : 2 in service
 * : 7 in service
 * : 4 in service
 * : 2 in service
 * : 6 in service
 * : 3 in service
 * : 9 in service
 * : 14 in service
 * : 2 in service


 * Ula-class (Type 210) submarine
 * Builder: 🇩🇪
 * Displacement: 1,150 tons
 * Operator: : 6 in service


 * Victoria-class hunter-killer submarine (SSK 876)
 * Builder:
 * Displacement: 2,400 tons
 * Operator: :  4 in commission


 * Walrus-class submarine
 * Builder: 🇳🇱
 * Displacement: 2,800 tons
 * Operator: : 4 in service


 * Zwaardvis-class submarine
 * Builder: 🇳🇱
 * Displacement: 2,600 tons
 * Operator: : 2 in service

Non-nuclear submarines with Air-independent propulsion

 * Gotland-class
 * Builder: 🇸🇪,
 * Displacement: 1,647 tons
 * Operators: : 3 in service


 * Lada-class submarine (Project 677 Lada)
 * Builder: 🇷🇺
 * Displacement: 2,700 tons
 * Operators: : 1 in service, 3 ordered


 * S-80 class submarine
 * Builder: 🇪🇸
 * Displacement: 2,426 tons
 * Operator: :  4 building


 * Scorpène class submarine
 * Builder: 🇫🇷 / 🇪🇸
 * Displacement: 1,590 tons
 * Operator:
 * 4 ordered/building
 * 2 in service
 * 6 ordered/building
 * 2 in service


 * Sōryū-class
 * Builder: 🇯🇵
 * Displacement: 4,200 tons
 * Operators: : 5 in service, 4 building or planned


 * Type 212 submarine
 * Builders: 🇩🇪 / 🇮🇹
 * Displacement: 1,830 tons
 * Operators:
 * 4 in service, 2 ordered, 2 more planned
 * 2 in service, 2 planned


 * Type 214 submarine
 * Builder: 🇩🇪,
 * Displacement: 1,980 tons
 * Operators:
 * : 1 in service, 3 building
 * : 3 in service, 6 building/ordered
 * : 2 in service
 * : 6 ordered


 * Västergötland class submarine / Archer class submarine
 * Builder: 🇸🇪
 * Displacement: 1,145 tons
 * Operator:
 * 2 in service
 * 2 on a delivery program


 * Yuan-class submarine
 * Builder:
 * Displacement: ?
 * Operator: :  1 in service? plus 3 building

Special mission submarines

 * Advanced SEAL Delivery System special mission midget submarine
 * Displacement: 70 tons
 * Operator: :  1 in service with 5 planned


 * Mystic class deep sea rescue submersible (DSRV 1)
 * Builder: 🇺🇸
 * Displacement: 37 tons
 * Operator: :  1 in service


 * Paltus class special mission submarine (Project 1083.1)
 * Builder: 🇷🇺
 * Displacement: 730 tons
 * Operator:


 * Uniform class special mission submarine (Project 1910 Kashalot)
 * Builder:  / 🇷🇺
 * Displacement: 1,580 tons
 * Operator:


 * CROATIAN SUBMARINE Velebit midget submarine
 * Displacement: 99 tons
 * Operator:


 * Yankee Pod trials submarine (Project 09774)
 * Builder:
 * Displacement: 10,100 tons
 * Operator: :  1 in service


 * Yankee Stretch special mission support submarine (Project 09780)
 * Builder:
 * Displacement: 11,600 tons
 * Operator: :  1 in service