USS Locust (YN-17/AN-22) was an Aloe-class net laying ship built for the United States Navy during World War II.

She was sold to Malaysian owners but sank after striking a reef off Cikobia Island, Fiji, on 30 July 1978.

The second ship to be so named by the Navy, Locust (YN-17) was laid down by the American Shipbuilding Company, Cleveland, Ohio, 18 October 1940; launched 1 February 1941; and placed in service 13 July 1941 for passage down the St. Lawrence River for a year of net-laying duties in the 3d Naval District off New York, New York, before commissioning December, 1942.

For about 5 minutes Locust, with YAG-26 in tow, was not only dodging fire from a Japanese bomber but also a torpedo from an undetected enemy submarine.

With the postwar disarmament policy in force Locust spent the next 6 months moving from one west coast berthing area to another until 8 July 1946 when she decommissioned at Astoria, Oregon, and entered the Atlantic Reserve Fleet in the Columbia River, Oregon, where she remained until stricken from the U.S.