The Lone Defender
- Jier: 1930
- Lân: United States of America
- Sjenre: Action
- Studio: Mascot Pictures
- Keyword: german shepherd, movie serial, dog hero
- Direkteur: Richard Thorpe
- Cast: Rin-Tin-Tin, Walter Miller, June Marlowe, Josef Swickard, Buzz Barton, Lee Shumway
