San Diego (disambiguation)
San Diego is the Hispanicized form of Saint Didacus.
San Diego may mean the following:
- San Diego, California, United States, the second largest city in California, is located in San Diego County.
- San Diego County is in the southwest corner of both California and the continental USA, the only US county bordering both Mexico and the Pacific Ocean.
- The San Diego was the flagship that Spanish explorer Sebastian Vizcaino used to explore San Diego Bay.
- Mission San Diego de Alcala was the first Spanish mission in Alta California.
- San Diego, Texas, is the county seat of Duval County, Texas, United States.
- San Diego de la Unión is a city in Guanajuato, Mexico.
- San Diego, Carabobo, is an agricultural town in Venezuela.
- Cabo San Diego is a cape on Tierra del Fuego in southern Argentina, near Cape Horn.
- Juan Diego Cuauhtlatoatzin – The first Mexican Saint.
- San Diego is the codename of a version of the Athlon 64 CPU from AMD.
- The USS San Diego refers to several ships of the United States Navy, each named after San Diego, California.
- The San Diego Season was the fourteenth edition of the reality TV series The Real World aired on MTV in 2004.
- The Cape of San Diego at the northeast tip of Taiwan.


