The third USS Keppler (DD/DDE-765) was a Gearing-class destroyer in the United States Navy during the Korean War and the Vietnam War. She was named for Boatswain's Mate First Class Reinhardt J. Keppler (1918–1942), who was posthumously awarded the Medal of Honor for "extraordinary heroism" during the Naval Battle of Guadalcanal. Keppler was launched on 24 June 1946 by Bethlehem Steel Corporation, Shipbuilding Division, San Francisco, California sponsored by Mrs. Elizabeth L. Keppler, widow of BM1c Keppler; and commissioned on 23 May 1947, Commander Peter M. Gaviglio in command.