Four ships of the United States Navy have been named USS Helena, after the city of Helena, Montana.

USS Helena (CL-50) was a St. Louis-class light cruiser of the United States Navy, damaged in the attack on Pearl Harbor, and subsequently active in the Pacific War until she was sunk at the battle of Kula Gulf in 1943.

The third USS Helena (CA-75), a Baltimore-class heavy cruiser, was the third ship of the United States Navy to be named for the city of Helena, Montana. She was named Helena while building after the cancellation of CL-113.

The USS Helena (PG-9) was a gunboat of the United States Navy that participated in the Spanish-American War and was later stationed in the Far East for many years.

USS Helena (SSN-725), a Los Angeles-class submarine, was the fourth ship of the United States Navy to be named for Helena, Montana. The contract to build her was awarded to the Electric Boat Division of General Dynamics Corporation in Groton, Connecticut on 19 April 1982 and her keel was laid down on 28 March 1985. She was launched on 28 June 1986 sponsored by Mrs.