List of submarine classes of the Royal Navy

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

Petrol-electric


	No.	First ship laid down	Last ship commissioned	Notes
Holland class	5	HMS Holland 1 2 October 1901	HMS Holland 5 1902	First submarines of the Royal Navy
A class	13	HMS A1 19 February 1902	HMS A13 22 June 1908	Royal Navy's first class of British-designed submarines
B class	11	HMS B1 25 October 1904	HMS B11 1906
C class	38	HMS C1 13 November 1905	HMS C38 10 February 1910	Last class of petrol powered submarines of the Royal Navy

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

Dreadnought — one boat, 1959–1962
Valiant class — 2 boats, 1962–1965
Churchill class — 3 boats, 1967–1970
Swiftsure class — 6 boats, 1969–1979
Trafalgar class — 7 boats, 1979–1991 (last vessel preparing for decommissioning as of late 2024)
Astute class — 7 boats planned (5 in service), 2001 to 2026
SSN AUKUS class - undetermined number of boats planned, from early 2030s

^ Helgason, Guðmundur. "U-2326". Uboat.net. Retrieved 26 April 2016.
^ Helgason, Guðmundur. "U-2353". Uboat.net. Retrieved 30 April 2016.
^ "New Successor Submarines Named" (Press release). Gov.uk. 21 October 2016. Retrieved 21 October 2016.