The Royal Navy
The Colossus class aircraft carrier HMS Triumph (ii).
Ships of the Royal Navy
MS Trawlers (724)
Minesweepers (395)
Destroyers (383)
Submarines (313)
Frigates (277)
ASW Trawlers (269)
Corvettes (235)
Tank landing ships (233)
Rescue Tugs (141)
Tugs (139)
Boom defence vessels (87)
Escort destroyers (84)
Light cruisers (77)
Sloops (75)
MS Whalers (70)
Escort carriers (62)
Armed Merchant Cruisers (51)
Repair Ships (43)
ASW Whalers (38)
Minelayers (35)
Landing Ship Infantrys (31)
Patrol vessels (24)
Aircraft Carriers (24)
Mooring vessels (24)
River gunboats (23)
Salvage vessels (22)
Battleships (17)
Barrage / Gate vessels (17)
Heavy cruisers (15)
Submarine Depot Ships (13)
Anti-Aircraft ships (6)
Destroyer Depot Ships (6)
Dock landing ships (4)
Monitors (4)
Battlecruisers (3)
Summary
3964 warships of 35 types.
War losses
According to our files the Royal Navy lost 669 warships during WWII (16.88%). See them all here.