USS Firm (AM-98) was an Adroit-class minesweeper of the United States Navy.

Laid down on 21 October 1941 by the Penn-Jersey Corp., Camden, New Jersey, launched on 29 May 1942, and commissioned on 10 April 1943.

The vessel was reclassified as a submarine chaser PC-1602 on 1 June 1944; it was later reclassified as a control submarine chaser PCC-1602 on 1 August 1945.

Very little information is available about the activities of this vessel while operating as a submarine chaser.

PC-1602 was transferred to the Maritime Commission for disposal on 15 June 1948, and sold to Walter H. Wilms.