On December 28, 2008, Harrelson married Laura Louie, his girlfriend since 1987. The couple have three daughters, Deni Montana (born February 28, 1993), Zoe Giordano (born September 22, 1996), and Makani Ravello (born June 3, 2006). Laura is his former assistant. She is a co-founder of Yoganics, an organic food delivery service.