Family
- father Donald Lynch:
- mother Sunny Lynch:
- brother John Lynch: younger
- sister Margaret Lynch: younger; was a screenplay consultant and provided sound effects for "The Grandmother"
- daughter Jennifer Chambers Lynch: born in April 1968; mother Peggy, Reavey
- son Austin Lynch: born in 1982; mother, Mary Fisk
- son Riley Lynch: mother, Mary Sweeney
Companions
- Isabella Rossellini: no longer together; acted in Lynch's "Blue Velvet"
- Mary Sweeney: edited "Twin Peaks" series and film; produced and edited "Lost Highway" and "Mulholland Dr."; mother of Riley
