David Harrington Bagley (December 7, 1920 – April 7, 1992) was an admiral in the United States Navy. He was the son of four star admiral David W. Bagley and brother of another Navy four-star admiral, Worth H. Bagley. From 1975 to 1977, Bagley was Commander in Chief of U.S. Naval Forces Europe. He died of cancer in 1992 and was buried in Arlington National Cemetery.