USS Corsair (SS-435), a Tench-class submarine, was the second ship of the United States Navy to be named for the California rockfish, or a pirate or privateer, especially Turkish or Saracen.

She was launched on 3 May 1946 sponsored by Mrs. O. M. Hustvedt, commissioned on 8 November 1946 and reported to the Atlantic Fleet.

She sailed from New London 18 July with the rest of her group on a cruise which took them to Northern Ireland, Portsmouth in the United Kingdom, and Arctic waters.

The group raced through the storm to land two of the crew at Saint John, New Brunswick, for emergency medical care.

Corsair returned to New London on 15 September to continue local operations with the development group.