Foster, California may refer to:
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Foster, San Diego County, California
Foster was a settlement in east San Diego County, California
San Diego County (), officially the County of San Diego, is a county (United States), county in the southwest corner of the U.S. state of California, north to its Mexico-United St ...
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Foster, Siskiyou County, California
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Foster Bar, California
Foster may refer to:
People
* Foster (surname)
* Foster Brooks (1912–2001), American actor
* Foster Moreau (born 1997), American football player
* Foster Sarell (born 1998), American football player
* John Foster Dulles (1888–1959), American ...
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Foster City, California
Foster City is a master-planned city located in San Mateo County, California, United States. Foster City is sometimes considered to be part of Silicon Valley for its local industry and its proximity to Silicon Valley cities. There are many n ...
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