Family
- grandfather Barron Hilton:
- aunt Kim Richards: Sister of Kathy Hilton
- brother Conrad Hilton: Younger
- brother Barron Hilton: Younger
- father Rick Hilton: Grandson of Hilton hotel-chain founder Conrad Hilton
- mother Kathy Richards Hilton: Former child actor who was a regular on "Family Affair" (CBS)
- sister Nicky Hilton: Born Oct. 5, 1983
- grandmother Marilyn Hilton: Died March 2004, at the age of 76 after a long struggle with multiple sclerosis
- great-grandfather Conrad Hilton, Jr: Born Dec. 25, 1887; founder of the Hilton hotels; married at one time to Zsa Zsa Gabor; died Jan. 3, 1979
Companions
- Companion Edward Furlong: Rumored to have briefly dated
- Companion Leonardo DiCaprio: Rumored to have briefly dated
- Companion Simon Rex: Briefly dated in 2004, while filming "National Lampoon's Pledge This!" (2006)
- Companion Jason Shaw: Dated for three years; briefly engaged; no longer together
- Companion Nick Carter: Member of boy band "Backstreet Boys"; began dating January 2004; split in July 2004
- Companion Oscar De La Hoya: Rumored to have briefly dated
- Companion Benji Madden: Guitarist and backup vocalist of the band Good Charlotte; brother of Joel Madden, the boyfriend of Paris' best friend, Nicole Ritchie; began dating in February 2008; split in November 2008
- Companion Paris Latsis: Greek shipping heir; began dating January 2005; engaged May 25, 2005; called off engagement October 2005
- Companion Rick Soloman: Dated in 2000; ex-husband of Shannon Doherty; appeared with Hilton in the infamous sex video
- Companion Derek Whibley: Lead singer of "Sum 41"; dated summer of 2003
- Companion Stavros Niarchos: Billionaire shipping heir; began dating October 2005; seen kissing one day after announcing split with Latsis; publicist announced split May 2006; relationship was on-again, off-again throughout 2006; no longer together
- Companion Alexander Vaggo: Swedish; discovered by Hilton outside the hostel where he was staying in L.A.; briefly dated in late 2007
- Companion Doug Reinhardt: Split in June 2009 after six months of dating publicly; reportedly are back together as of July 31, 2009
