USS PGM-1

USS PGM-1 was a PGM-1 class motor gunboat that served in the United States Navy during World War II. She was originally laid down as an SC-497 class submarine chaser on 29 November 1941 by the Peterson Boat Works in Sturgeon Bay, Wisconsin and launched on 27 June 1942. She was commissioned as USS SC-644 on 16 October 1942.

She was later converted to a PGM-1 class motor gunboat and renamed PGM-1 on 10 December 1943. The PGM-1 received one battle star for action in the Northern Solomon Islands on 15 June 1944.

After the war she was transferred to the Foreign Liquidations Commission on 20 May 1947. Her exact fate is unknown.