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