Johnny Cash at San Quentin
- İl: 1969
- Ölkə: United Kingdom
- Janr: Documentary, Music
- Studiya: Granada Television, ITV
- Açar söz: prison, country music, concert film, san quentin
- Direktor: Michael Darlow
- Oyuncu: Johnny Cash, June Carter Cash, Marshall Grant, W.S. Holland, Carl Perkins, Bob Wooton