Mac (nickname)
As a nickname, Mac may refer to:
- McGeorge Bundy, United States National Security Advisor to Presidents John F. Kennedy and Lyndon B. Johnson
- Mac Brandt, American actor
- Mac Cody, American National Football League player
- Mac Colville, Canadian National Hockey League player
- Mac Curtis, American musician
- Mac DeMarco, Canadian singer-songwriter, musician and producer
- Mac Evans, Australian cricket and soccer player
- Mac Foster, American heavyweight boxer
- Clark McConachy, New Zealand billiards and snooker player
- Stan McCormick, English rugby league footballer and coach
- Charles H. MacDonald, American World War II fighter ace
- Linious "Mac" McGee, Alaskan aviation pioneer and founder of McGee Airways
- Mac McNeilly, American drummer
- Malcolm John "Mac" Rebennack, better known by the stage name Dr. John, American singer-songwriter, pianist and guitarist
- Mac Sebree, American journalist, writer and publisher
- Macdonald Smith, Scottish golfer
- McLean Stevenson, American actor
- Mac Suzuki, Major League Baseball pitcher from Japan
- Mac Wiseman, American bluegrass singer
