Two ships of the Royal Navy have been named HMS Walney after Walney Island off the coast of Barrow-in-Furness, Cumbria:
- was a sloop launched in 1930 as USCGC Sebago. She was transferred to the Royal Navy in 1941 and was lost in 1942.
- is a , launched in 1991, decommissioned in 2010.