On Sunday, she issued a statement saying John Thomas Doherty died Friday at age 66 after a series of health issues.
Shannen Doherty was eliminated from "Dancing" in March after just one week of competition. But she considered her stint on the show a success because her father was in the audience, watching her perform.
"I did it for my dad," she said at the time.
In the statement, issued through her publicist, Shannen Doherty called her father the "greatest man in the world."
She added: "I love him with every inch of my being and cannot imagine life without him."