Three vessels of the Royal Navy have been named HMS Salmon after the fish:
- , launched in 1895, was a that was sold in 1911.
- , launched 7 October 1916, was an which fought in World War I, was renamed Sable in 1933 and scrapped in 1937.
- , launched 30 April 1934, was an S-class submarine which fought in World War II and was lost, probably sunk by a mine, on 9 July 1940.