Namesakes
Australian Prime Ministers:
1 prime minister
Harold Holt 1966-1967 
Fictional Characters from Television:
4 characters
Cassie Holt 1999 Family Law
Lynn Holt 1999 Family Law
Rupie Holt 1999 Family Law
Steve Holt 2003 Arrested Development
Notable Actors and Actresses:
1 actress
Sandrine Holt 1972-