Family
- father Amram Duchovny: Divorced from Duchovny's mother c. 1971; originally from Coney Island, Brooklyn
- mother Margaret Duchovny: Divorced from Duchovny's father c. 1971; born and raised in Aberdeen, Scotland
- brother Daniel Duchovny: Older
- sister Laurie Duchovny: Younger
- daughter Madelaine West Duchovny: Born April 24, 1999; mother, Tea Leoni
- son Kyd Miller Duchovny: Born June 15, 2002; mother Tea Leoni
Companions
- Perrey Reeves: together from 1993 to 1995
