The 348th Night Fighter Squadron is an inactive United States Air Force unit. Its last assignment was with the 481st Night Fighter Operational Training Group at Salinas Army Air Base, California. The unit was disbanded on 31 March 1944. The squadron was the first dedicated night fighter operational training squadron of the Air Force. The squadron trained newly activated night fighter squadrons who were deployed overseas into combat until its inactivation in March 1944 due to a reorganization of Army Air Forces training units.