Sign of the Wolf
- Año: 1941
- País: United States of America
- Género: Drama, Aventura, Crimen, Romance
- Estudio: Monogram Pictures
- Palabra clave: rescue, dog, german shepherd, dog trainer
- Director: Howard Bretherton
- Emitir: Michael Whalen, Grace Bradley, Darryl Hickman, Mantan Moreland, Louise Beavers, Wade Crosby