USS Darby (DE-218), a Buckley-class destroyer escort of the United States Navy, was named in honor of Ensign Marshall E. Darby (1918–1941), who was killed in action, while serving aboard the battleship USS Oklahoma, during the Japanese attack on Pearl Harbor on 7 December 1941. Darby was launched 29 May 1943 by Philadelphia Navy Yard, sponsored by Mrs. M. E. Darby, and commissioned 15 November 1943, Commander D. D. Humphreys, United States Naval Reserve, in command.