Family
- father Jerry Stiller: Married to actress, Anne Meara since 1954; half of the 1960s comedy team, Stiller and Meara; best known for his roles as Arthur Spooner on "The King of Queens" (CBS) and Frank Costanza on "Seinfeld" (NBC)
- mother Anne Meara: Married to actor, Jerry Stiller since 1954; raised Catholic, but converted to Judaism after marrying Stiller; half of the 1960s comedy team, Stiller and Meara; had a recurring role as Mary Brady on "Sex and the City" (HBO)
- sister Amy Stiller: Born c. 1963; appeared in Stiller's "Dodgeball" (2004) in a short scene as a waitress at a restaurant
- daughter Ella Olivia Stiller: Born April 10, 2002; mother, Christine Taylor
- son Quinlin Dempsey Stiller: Born July 10, 2005; mother, Christine Taylor
Companions
- Amanda Peet: dated briefly in 1998
- Claire Forlani: dated c. 1998-99
- Janeane Garofalo: had brief relationship in the early 1990s
- Jeanne Tripplehorn: had on-again, off-again relationship for several years; reportedly engaged at one time; no longer together
