The Royal Navy
The Tribal class destroyer HMS Cossack. She was lost on 24 Oct 1941.
Ships of the Royal Navy
Landing Craft Tanks (1776)
Motor Fishing Vessels (1233)
MS Trawlers (724)
Motor Torpedo Boats (599)
Motor Launchs (531)
Harbour Defence Motor Launchs (443)
Minesweepers (395)
Motor minesweepers (384)
Destroyers (383)
Submarines (313)
Frigates (277)
ASW Trawlers (269)
Tank landing ships (239)
Corvettes (235)
Landing Craft Infantrys (216)
Motor Gun Boats (190)
Rescue Tugs (141)
Tugs (139)
Boom defence vessels (87)
Escort destroyers (84)
Light cruisers (77)
Sloops (75)
MS Whalers (70)
Escort carriers (62)
Armed Yachts (59)
Motor Anti-Submarine Boats (58)
Armed Merchant Cruisers (51)
Repair Ships (43)
ASW Whalers (38)
Minelayers (35)
Landing Ship Infantrys (31)
Mooring vessels (24)
Patrol vessels (24)
Aircraft Carriers (24)
River gunboats (23)
Salvage vessels (22)
Battleships (17)
Barrage / Gate vessels (17)
Heavy cruisers (15)
Submarine Depot Ships (13)
Steam Gunboats (9)
Anti-Aircraft ships (6)
Destroyer Depot Ships (6)
Monitors (4)
Dock landing ships (4)
Battlecruisers (3)
Netlayers (2)
Summary
9470 warships of 47 types.
War losses
According to our files the Royal Navy lost 1082 warships during WWII (11.43%). See them all here.