John McElroy

John McElroy may refer to:
 * John McElroy (author) (1846–1929), American printer, newspaper publisher, soldier, journalist and author
 * John McElroy (Canada), Royal Canadian Air Force pilot, veteran of World War II, Mahal (Israel) in the 1948 Arab–Israeli War
 * John McElroy (Jesuit) (1782–1877), Jesuit priest
 * John McElroy (producer), audiobook producer, see 1998 Grammy Awards
 * John McElroy (blogger), Autoline Detroit blogger