Family
- daughter Makani Ravello Harrelson: Born June 3, 2006; mother, Laura Louie
- father Charles Voyde Harrelson: Born c. 1939; abandoned his wife and three sons, when Woody as 7 years old; convicted of murder in the May 29, 1979, killing of U.S. District Judge John Wood Jr. outside his San Antonio home; believed by Harrelson to be a CIA operative; long thought to be one of "the hobos" taken away from the grassy knoll right after the shooting of President Kennedy on Nov. 22, 1963; died March 15, 2007 of a heart attack at the Supermax federal prison in Florence, CO where he was serving two life sentences
- mother Diane Harrelson: Born c. 1937; deeply religious; divorced Harrelson's father c. 1964
- brother Jordan Harrelson:
- brother Brett Harrelson: Co-starred in "People vs. Larry Flynt" (1996)
- daughter Deni Montana Harrelson: Born March 5, 1993; mother, Laura Louie
- daughter Zoe Harrelson: Born Sep. 22, 1996 in Costa Rica; mother, Laura Louie
Companions
- Glenn Close: had five-month relationship in 1991
- Penelope Ann Miller: dated while appearing on Broadway in "Biloxi Blues"
