Three ships of the Royal Navy have been named HMS Dumbarton Castle after Dumbarton Castle.
- , originally of the Royal Scots Navy, was a frigate taken into the Royal Navy in 1707.
- was launched as and was later re-designated frigate. She was built in 1944 and saw service in the North Atlantic before being placed into reserve in 1946 before being scrapped.
- was a launched in 1981 and sold in 2010 to Bangladesh as .
Battle honours
- Atlantic 1944-45
- South Atlantic 1982