Daniel J. Sullivan (born June 10, 1940) is an American theatre and film director and playwright.
Sullivan was born in Wray, Colorado, the son of Mary Catherine (née Hutton) and John Martin Sullivan. He was raised in San Francisco, where he graduated from San Francisco State University. In 1963, he began his professional career as an actor at the city's Actor's Workshop, where he remained for two years.
Sullivan worked as both an actor and director with the Lincoln Center Repertory Company in the late 1960s and 1970s.His directorial debut there was A.R. Gurney's Scenes from American Life for which Mr. Sullivan won a Drama Desk Award. After two years as Resident Director of the Seattle Repertory Theatre, he assumed the position of Artistic Director in 1981, serving until 1997. It was there that he directed the first production of his own play, Inspecting Carol.