Sam Firstenberg (born Shmulik Firstenberg on March 13, 1950) is an Israeli-American film director, screenwriter and film producer.
He is best known for having made low-budget B movies most of his career, among them the first two films in the American Ninja series, American Ninja and ' as well as Riverbend and '.
Firstenberg's filmography includes genres such as comedy, action, drama, science fiction, thrillers, horror and musicals.
Born in Poland to a Jewish family, Sam Firstenberg grew up in Jerusalem. He has directed 22 theatrical feature films since completing his graduate studies in film at Loyola Marymount University.