Family
- father Stephen Swank: Was officer in the Air National Guard; separated from Swank's mother c. 1990
- mother Judy Swank: Accompanied daughter to L.A. after separating from husband c. 1990
- brother Dan Swank: Born c. 1966; owns marketing company in Edmonds, WA
Companions
- Companion John Campisi: Began dating shortly after separating from Lowe; the couple were spotted kissing and holding hands on August 27, 2006; confirmed they were dating in December 2006
- husband Chad Lowe: met c. 1992; married on October 2, 1997; worked together on feature "Quiet Days in Hollywood" (shown at 1997 Cannes Festival)
