This is a list of submarine classes of the Royal Navy of the United Kingdom. Dates of construction given.

• D class — 8 boats, 1908–1912
• E class — 58 boats, 1912–1916
• F class — 3 boats, 1913–1917
• S class — 3 boats, 1914–1915
• V class — 4 boats, 1914–1915
• W class — 4 boats, 1914–1915
• G class — 14 boats, 1915–1917
• H class — 44 boats, 1915–1919
• J class — 7 boats, 1915–1917
• L class — 34 boats, 1917–1919
• M class — 3 boats, 1917–1918
• Nautilus class — 1 boat, 1917
• R class — 12 boats, 1918
• HMS X1 — 1 boat, 1921
• Odin class — 9 boats 1926–29 (subclasses Oberon 1 boat, Oxley 2 boats, Odin 6 boats)
• Parthian class — 6 boats, 1929
• Rainbow class — 4 boats, 1930
• S class — 62 boats (subclasses Swordfish 4, Shark 8, Seraph 33, Subtle 17), 1931–1945
• Thames class — 3 boats, 1932
• Grampus class — 6 boats, 1932–1938
• T class — 52 boats (subclasses Triton 15, Tempest 15, Taciturn 22), 1937–1945
• Undine class — 3 boats, 1937–1938
• P611 class — 4 boats, 1940
• Umpire class — 37 boats, 1940–1943
• Vampire class — 22 boats, 1943–1944
• Amphion class — 16 boats, 1945–1947
• Explorer class — 2 boats, 1954–1955
• Stickleback class — 4 boats, 1954–1955
• Porpoise class — 8 boats, 1956–1959
• Oberon class — 13 boats, 1959–1966
• Upholder class — 4 boats, 1986–1992

• X class — 20 boats, 1943–1944
• XE class — 12 boats, 1944
• Stickleback class — 4 boats, 1954–1955

• LR5 — leased to the Royal Australian Navy in 2009

• Swordfish — 1 boat, 1916–1922
• K class — 22 boats, 1916–1919

• Archimede class — 1 boat, 1934
• Type VIIC U-boat — 1 boat, 1941
• Type XVII U-boat — 1 boat, 1943
• Type XXIII U-boat — 2 boats, 1945^[1][2]

• Royal Navy Submarine Service
• List of submarines of the Royal Navy