Doherty was married briefly to Ashley Hamilton, son of actor George Hamilton. She was also married to Rick Salomon, and was briefly engaged to actor Judd Nelson. Doherty was once sentenced to either ten days in jail or twenty days of work-release duty, three years probation, and ordered to pay a $1,500 fine for drunk driving charges in 2001. She has appeared several times, partially nude, in Playboy magazine. Her first appearance was in December 1993, followed by a spread in March 1994. Later she posed for the magazine again, landing the cover of the December 2003 issue.

Doherty is a fan of the TV series 24, and on the show's Season 4 DVD set, she provides audio commentary on "3:00 PM - 4:00 PM" with episode writer Evan Katz. As of date, she lives on a horse ranch in Ventura County, California and owns four horses and three dogs.