Four ships of the United States Navy have been named USS Helena, after the city of Helena, Montana.
USS Helena (PG-9) was a gunboat in service from 1897 to 1932.
USS Helena (CL-50) was a St. Louis-class light cruiser, commissioned in 1939, that saw heavy action in the Solomon Islands during World War II, ultimately being sunk in the Battle of Kula Gulf in July 1943.
USS Helena (CL-113) was a planned Fargo-class light cruiser canceled in 1944 while under construction.
USS Helena (CA-75) was a Baltimore-class heavy cruiser commissioned in 1945, active in the Korean War, and decommissioned in 1963.
USS Helena (SSN-725) is a Los Angeles-class nuclear attack submarine commissioned in 1987 and currently in active service.
