Family
- father Elliot Beitner: Divorced from Selma's mother
- mother Molly Ann Beitner: Divorced from Selma's father
- sister Katherine Beitner: Born c. 1968
- sister Marie Beitner: Born c. 1960
- sister Elizabeth Beitner: Born c. 1970
Companions
- Companion Johnny Messner: Met on the set of "The Sweetest Thing" (2002); began dating summer 2006; after her split from husband Ahmet Zappa; no longer together
- husband Ahmet Zappa: Began dating in Summer 2003; engaged in October 2003; married Jan. 24, 2004 at the home of actress-writer Carrie Fisher; divorced in December 2006
- Jason Schwartzman: born in June 1980; reportedly dated in early 2000; appeared to have reconciled in early 2001
- Matthew Davis: reportedly dated in fall of 2000; acted together in "Legally Blonde"
- Companion Matthew Felkner: Appeared in Britney Spears' "Toxic" video; began dating in 2007; no longr together
