Fatty’s Faithful Fido
- Tahun: 1915
- Negara: United States of America
- Genre: Comedy
- Studio: Keystone Film Company
- Kata kunci: dog, chinese laundry
- Pengarah: Roscoe 'Fatty' Arbuckle
- Pelakon: Roscoe 'Fatty' Arbuckle, Minta Durfee, Al St. John, Frank Hayes, Charles Lakin, Dan Albert