USS Lignite (IX-162), a Trefoil-class concrete barge designated an unclassified miscellaneous vessel, was the only ship of the United States Navy to be named for lignite. Her keel was laid down on 8 December 1943 by Barrett & Hilp, Belair Shipyard, San Francisco, California, under a Maritime Commission contract (T. B7-D1-Barge). She was launched on 26 February 1944 sponsored by Miss Catherine Barrett, converted for use as a United States Army and United States Marine Corps stores barge by Barrett & Hilp, acquired by the Navy on 26 September 1944, and placed in service at San Francisco the same day.