Four ships of the United States Navy have been named Bold.
, originally named Chief, was a minesweeper laid down on 27 August 1941 at South Bristol, Maine. , was a tugboat transferred to the United Kingdom on 29 June 1942. , was a minesweeper laid down 12 December 1951 and launched 14 March 1953. , was an ocean surveillance ship, commissioned as USNS Vigorous in 1989 and later renamed.