Fred Niblo Jr. (January 23, 1903 – February 18, 1973) was a successful American screenwriter.
He was nominated for an Academy Award for Best Adapted Screenplay for the film The Criminal Code (1931) together with Seton I. Miller.
He had studied at the United States Military Academy in West Point, New York, before going to Hollywood in 1928.
Niblo began his career in 1930 and received an Oscar nomination for The Criminal Code, one of his first screenplays, at the 4th Academy Awards in 1932.
In a career spanning 20 years, Niblo had about 57 credits, including Penitentiary (1938), No Place to Go (1939), The Fighting 69th (1940), Strange Alibi (1941), Four Jills in a Jeep (1944), and Incident (1949).