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

Cruise missile submarines

Nuclear-powered attack submarines

Non-nuclear attack submarines with air-independent propulsion (AIP)

Agosta-90B class submarine
Builder:
Displacement: 1,725 tons
Operators:
: 3 in service
Builder: ,
Displacement: 1,800 tons
Operators: : 2 building
(Dolphin-2; AIP-variant)
Builder:
Displacement: 1,900 tons
Operator: : 3 AIP in-service/sea trials, 3 AIP ordered
Builder: ,
Displacement: 1,647 tons
Operators: : 3 in service
Chinese Submarine 201
Builder:
Displacement: 6,628 tons
Operator: : 1 in service
Builder:
Displacement: 3,426 tons
Operator: : 1 in service; 3 more building
Builder: /
Displacement: 1,590 tons
Operator:
: 4 ordered/building
: 2 in service
: 6 in service, 3 ordered, known as
: 2 in service
: 2 ordered
Builder:
Displacement: 4,200 tons
Operators: : 12 in service, last two boats not equipped with AIP in favour of larger battery
Type 212 submarine
Builders: /
Displacement: 1,830/2,500 tons ("A" or "CD" variant)
Operators:
: 6 in service (A), 2 more ordered (CD)
: 4 in service (A), 3 more ordered with option for a fourth (A) Ã¢ÂÂ known as the Todaro-class
: 4 ordered (CD)
Type 214 submarine
Builder:
Displacement: 1,980 tons
Operators:
: 4 in service
: 8 in service, 1 building/ordered
: 2 in service
: 1 in service, 1 under trials, 4 building
/
Builder:
Displacement: 1,145 tons
Operator:
: 2 in service
: 2 on a delivery program
Type 039A/B/C
Builder:
Displacement: 3,600 tons
Operator:
: 17 in service, 3 building
: 4 building, 4 on order
: 1 building

Diesel-electric attack submarines

Builder: /
Displacement: 1,725 tons
Operators:
: 2 in service
: 1 in service
Builder:
Displacement: 3,050 tons
Operator: : 6 in service
(Dolphin-1; non-AIP variant)
Builder:
Displacement: 1,900 tons
Operator: : 3 non-AIP in-service
(Project 877 Paltus and Project 636)
Builder: /
Displacement: 3,100 tons
Operators:
: 8 Kilo, 1 decommissioned, 1 transferred to Myanmar Navy, known as the
: 2 Kilo and 10 Improved Kilo in service
: 5 original Kilo (877) in service (up to 4 more status unclear), 12? Improved Kilo (636.3) in service (one possibly destroyed in dry dock by missile strike), 4 Improved Kilo building/ordered
: 2 Original Kilo and 4 Improved Kilo
: 1 Kilo
: 3 Kilo
: 1 Kilo no longer active; used for dockside training
Vietnam People's Navy: 6 Improved Kilo in service
: 1 Kilo transferred from Indian Navy
(Project 677 Lada)
Builder:
Displacement: 2,700 tons
Operators: : 1st boat decommissioned for scrapping; 2nd & 3rd in service as of 2025; 2 more building/ordered; more planned (AIP propulsion originally considered but, according to shipbuilder, not incorporated)
Type 035 submarine
Builder:
Displacement: 2,100 tons
Operator:
: 14 in service
: 2 in service
: 1 in service
Builder:
Displacement: 4,000 tons
Operator: : 11 in service, 2 as training ships
Romeo class (Type 033)
Builder:
Displacement: 1,810 tons
Operators:
: 4 in service
: 20 in service, 1 has been modified to launch ballistic missiles
Builder:
Displacement: 1,653 tons
Operator: : 4 in service
Type 039 submarine
Builder:
Displacement: 2,250 tons
Operator: : 13 in service
Builder:
Displacement: 4,300 tons
Operator: : 1 launched, 7 planned Ã¢ÂÂ equipped with Lithium-ion batteries
Builder:
Displacement: 2116 tons
Operators:: 1 (S-41) inactive (laid up); 2nd boat (S-42) sunk with all hands lost.
Type 209 submarine
Builder:
Displacement: 1,230/1,290/1,586 tons
Operators:
: 1 inactive (used for dockside training)
: 5 in service
: 2 in service
: 2 in service
: 4 in service
: 2 in service
: 6 in service
: 4 in service
: 4 in service; 1 (402) lost with all hands in April 2021
: 6 in service
: 3 in service
: 9 in service
: 12 in service
: 2 (operational status unclear)
Ula class (Type 210)
Builder:
Displacement: 1,150 tons
Operator: : 6 in service
Victoria class (SSK 876)
Builder:
Displacement: 2,400 tons
Operator: : 4 in service
Builder:
Displacement: 2,800 tons
Operator: : 3 in service; 1 retired
Builder:
Displacement: 2,600 tons
Operator: : 2 in service
Builder:
Displacement: 370 tons
Operator: : 40 in service
Builder:
Displacement: 2,000 tons
Operator: : 1 in service
Builder:
Displacement: 593 tons
Operator: : 1 in service
Type 206 submarine
Builder:
Displacement: 500 tons
Operators:
: 2 in service
Hai Kun-class submarine
Builder:
Displacement: c. 2500 tons
Operators:
: 1 trialing, 7 planned

Midget submarines

Yugo class
Builder:
Displacement: 90 up to 110 tons
Operator: : unknown; : 1;: unknown (reported in inventory as of 2019)
Yono class
Builder:
Displacement: 130 tons
Operator: : <36 in service
Ghadir class
Builder:
Displacement: 115 tons
Operator: : 21 in service
Builder:
Displacement: 350-400 tons
Operator: : 1 in service

Special mission submarines

Belgorod (K-329)
Builder: Sevmash
Displacement: 24,000/30,000 tonnes submerged
Operator:
Losharik
Builder: Sevmash
Displacement: c. 2,000 tonnes submerged
Operator:
LR5 Deep submersible
Builder:
Displacement: 21 tons
Operator: (leased to Royal Australian Navy)
NSRS Deep submergence rescue vehicle
Builder:
Displacement: 41 tons
Operator: (available for NATO)
deep sea rescue submersible (DSRV-1)
Builder:
Displacement: 37 tons
Operator: : 1 in service
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:
Sarov (B-90)
Builder: Krasnoye Sormovo Shipyard and Sevmash
Displacement: c. 4,000 tonnes submerged
Operator:
Al-Sabehat swimmer delivery vehicle
Builder:
Operator:
VAS 525 mini-submarine
Builder: GSE Trieste
Operator: : 1+?

Summary

References