The Lone Defender
- Yil: 1930
- Mamlakat: United States of America
- Janr: Action
- Studiya: Mascot Pictures
- Kalit so'z: german shepherd, movie serial, dog hero
- Direktor: Richard Thorpe
- Cast: Rin-Tin-Tin, Walter Miller, June Marlowe, Josef Swickard, Buzz Barton, Lee Shumway