Namesakes
Zac Croft
(m) 
Fictional Characters from Television 1994 Heartbreak High
Zac Efron
(m) 1987-
Notable Actors and Entertainers (actor)
Zac Hanson
(m) 1985-
Notable Musicians
Zac Meier
(m)
Fictional Characters from Books 2013 Zac & Mia
Zac Purchase
(m) 1986-
Olympic Medalists 2008; 2012 rowing (gold/silver)
Zac Zorn
(m) 1947-
Olympic Medalists 1968 swimming - 4x100 m freestyle relay (gold)