Two ships of the Royal Australian Navy (RAN) have been named HMAS Geelong, for the city of Geelong, Victoria.
- HMAS Geelong (J201), a Bathurst-class corvette launched in 1941 and lost after colliding with an American tanker in 1944
- HMAS Geelong (FCPB 215), a Fremantle-class patrol boat launched in 1984 and decommissioned in 2006