2010 United States Senate election in California

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U.S. President
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2010 United States Senate election in California
	November 2, 2010
	Boxer: 40–50% 50–60% 60–70% 70–80% 80–90% ; Fiorina: 40–50% 50–60% 60–70% 70–80%
U.S. senator before election; Barbara Boxer; Democratic	Elected U.S. Senator ; Barbara Boxer; Democratic

The 2010 United States Senate election in California took place on November 2, 2010. The election was held alongside 33 other United States Senate elections in addition to congressional, state, and various local elections. Incumbent Democratic U.S. Senator Barbara Boxer won re-election to a fourth term.