Four ships of the United States Navy have been named USS Indiana in honor of the 19th state.
USS Indiana (BB-1), was a battleship commissioned in 1895 that saw action in the Spanish–American War
USS Indiana (BB-50), was a battleship under construction but canceled by the Washington Naval Treaty in 1924
USS Indiana (BB-58), was a battleship commissioned in 1942 that saw action during World War II
USS Indiana (SSN-789), is a Virginia class submarine currently under construction