Bill Osco is a film producer and director whose 1970 film Mona was one of the first erotic art films, after the 1969 film Blue Movie by Andy Warhol, to receive a national theatrical release in the United States (1970). The film is considered one of the that helped inaugurate the Golden Age of erotic art films in the United States. Mona was one of the paradigms for theatrically released erotic art films.