Namesakes
Fictional Characters from Television:
5 characters
Zack Brady 1965 Days of Our Lives 
Zack Morris 1987; 1989 Good Morning, Miss Bliss; Saved by the Bell
Zach Van Gerbig (a.k.a. Zack) 2000 Gilmore Girls
Zack Nichols 2001 Law & Order: Criminal Intent
Zack Addy 2005 Bones
Hall-of-Famers:
1 baseball
(baseball) Zack Wheat 1959
Notable Athletes:
1 rugby
(rugby) Zack Test 1989-
Notable Filmmakers:
1 director
Zack Snyder 1966-
Notable Musicians:
1 musician
Zack de la Rocha 1970-
Rock and Roll Hall-of-Famers:
1 musician
Zack de la Rocha 2023 Rage Against the Machine