Janet Dulin Jones is an American screenwriter, playwright and producer. A graduate of Long Beach State University, Jones has written screenplays for various film studios in Hollywood, including Paramount Studios, Sony Pictures, Disney and Twentieth Century Fox. Screenplays include Map of the World, starring Sigourney Weaver and Julianne Moore; The Ambassadors, an adaptation of the Henry James novel; and Custom of the Country, adapted from the novel by Edith Wharton.