Earle I. Mack, businessman and former US Ambassador
Helen Mack
Jimmy Mack, Scottish radio and television presenter
Joe Mack
John Edward Mack
Karl Mack von Leiberich, Austrian general, famous for his defeat at Ulm in Napoleon's campaign of 1805
Lonnie Mack
Peter F. Mack, Jr., former US politician
Reinhold Mack, a record producer known for working with Electric Light Orchestra, Queen and other rock bands
Rodney Mack, ring name of professional wrestler Rodney Begnaud
Sam Mack
Shane Mack (baseball player)
Shane Mack (mayor)
Ted Mack (radio-TV host)
Timothy Mack, "Tim". American athlete. A pole vaulter and Olympic champion.
Willard Mack
In fiction
Mack (Cars), an anthropomorphic semi-trailer truck from the film Cars, based on a Mack truck
Mack, the boss who held the first Star Piece, in Super Mario RPG: Legend of the Seven Stars
Television
Richard Machowicz, host of FutureWeapons, known as "Mack"
Music
"Jimmy Mack", song
"Mack the Knife", song
"Return of the Mack", song
Places
Mack, Colorado, USA
Other
A composite word from the first two letters of mast and the last two of stack, used to describe a structure combining a ship's radar masts and funnels. Macks are common aboard modern warships as a means of reducing topweight.