John Michael Loh (born March 14, 1938) is a retired four-star general in the United States Air Force who last served as Commander, Air Combat Command from June 1992 to July 1995. His other four-star assignment include being the 24th Vice Chief of Staff of the Air Force from June 1990 to March 1991, and Commander, Tactical Air Command from March 1991 to June 1992.