John Ackerman

John Ackerman may refer to:


 * John B. Ackerman (1909–1981), Vice Director of the National Security Agency and United States Air Force officer
 * John M. Ackerman (born 1973), Mexican professor and writer
 * John William Ackerman (1825–1905), mayor of Pietermaritzsburg
 * John Yonge Akerman (1806–1873), English antiquarian and numismatist