USS Monrovia (APA-31) was a Crescent City class attack transport of the United States Navy, built from a C-3 Delta commercial freighter design, and was named for the Birthplace of President James Monroe, located in Westmoreland County, Virginia. Monrovia (APA-31) was laid down as MC hull 152 by Bethlehem Sparrows Point Shipyard, Sparrows Point, Maryland, 1942-03-26; launched 1942-09-19; sponsored by Mrs. John M. Carmody; and commissioned 1 December 1942.