VF-43 was a Fighter Squadron of the U.S. Navy. The squadron was originally established as Fighter Squadron 74A (VF-74A) on 1 May 1945, it was redesignated Fighter Squadron 74 (VF-74) on 1 August 1945, redesignated VF-1B on 15 November 1946, redesignated VF-21 on 1 September 1948, redesignated as Attack Squadron 43 (VA-43) Challengers on 1 July 1959 and Fighter Squadron 43 (VF-43) on 1 June 1973. It was disestablished on 1 July 1994.