USS Robert F. Keller (DE-419) was a John C. Butler-class destroyer escort acquired by the U.S. Navy during World War II. The primary purpose of the destroyer escort was to escort and protect ships in convoy, in addition to other tasks as assigned, such as patrol or radar picket. Robert F. Keller (DE-419) was named in honor of Robert Franklin Keller, who was awarded the Air Medal as second pilot of a patrol plane in action against enemy Japanese forces during the Aleutian Islands Campaign 10 to 20 June 1942.