USS Dolphin (SP-262) was the proposed name and designation for a United States Navy patrol vessel that the Navy never actually acquired.

Dolphin was built as the commercial steam fishing vessel Virginia at Pocomoke City, Maryland.

The U.S. Navy considered acquiring Dolphin in 1917 for World War I service as a patrol vessel and assigned her the section patrol number SP-318.

Although reported by some contemporary sources as having been placed in commission in February 1919[2] as USS Dolphin (SP-318), she in fact appears never to have been acquired by the Navy[3] and to have remained in civilian hands.

24), a gunboat and dispatch vessel in commission at the time, or with USS Dolphin (SP-874), a patrol vessel in commission during 1918.