Underground
- År: 1976
- Land: United States of America
- Genre: Documentary
- Studio: Turin Film, Action 27
- Nøgleord: politics, political activism
- Direktør: Emile de Antonio, Mary Lampson, Haskell Wexler
- Cast: Bill Ayers, Kathy Boudin, Emile de Antonio, Bernardine Dohrn, Jeff Jones, Haskell Wexler