List of submarine classes in service

Non-nuclear [attack submarine]s with [air-independent propulsion] (AIP)

• * Builder:
• * Displacement: 1,725 tons
• * Operators:
• ** : 3 in service
• * Builder:,
• * Displacement: 1,800 tons
• * Operators: : 2 building
• * 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
• * Operators:
• **: 6 in service, 2 more ordered
• **: 4 in service, 3 more ordered with option for a fourth – known as the Todaro-class
• **: 4 ordered
• 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
• * Builder:
• * Displacement: 1,900 tons
• * Operator: : 3 non-AIP in-service
• * 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 in service, 12? Improved Kilo in service, 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• ** : 1 Kilo no longer active; used for dockside training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
• * Builder:
• * Displacement: 2,700 tons
• * Operators: : 1st boat decommissioned for scrapping; 2nd & 3rd in service as of 2025; 2 more building/ordered; more planned
• 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 ― equipped with Lithium-ion batteries
• *Builder:
• *Displacement: 2116 tons
• * Operators:: 1 inactive ; 2nd boat sunk with all hands lost.
• Type 209 submarine
• * Builder:
• * Displacement: 1,230/1,290/1,586 tons
• * Operators:
• ** : 1 inactive
• ** : 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 lost with all hands in April 2021
• ** : 6 in service
• ** : 3 in service
• ** : 9 in service
• ** : 12 in service
• ** : 2
• Ula class (Type 210)
• * Builder:
• * Displacement: 1,150 tons
• * Operator: : 6 in service
• Victoria class
• * 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
• 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:
• NSRS Deep submergence rescue vehicle
• * Builder:
• * Displacement: 41 tons
• * Operator:
• deep sea rescue submersible
• * Builder:
• * Displacement: 37 tons
• * Operator: : 1 in service
• special mission submarine
• * Builder:
• * Displacement: 730 tons
• * Operator:
• Uniform-class special mission submarine
• * 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