John Mackey

• John Mackey (American football), American football tight end
• John Mackey (businessman), founder of Whole Foods Market
• John Mackey (composer), American composer of classical concert music
• John Mackey (hurler), Irish athlete in the sport of hurling
• John Mackey (politician), Australian politician
• John Mackey (Roman Catholic bishop), Bishop of Auckland
• John C. Mackey, American football coach
• Jack Mackey, recipient of the Victoria Cross
• John Mackey (Tyler), Irish hurler