Fatty at San Diego
- Jier: 1913
- Lân: United States of America
- Sjenre: Comedy
- Studio: Keystone Film Company
- Keyword: san diego, california, carnival
- Direkteur: George Nichols
- Cast: Roscoe 'Fatty' Arbuckle, Phyllis Allen, Minta Durfee, Nick Cogley, Charles Avery, Bert Hunn