1988 United States Senate election in California

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1988 United States Senate election in California
	November 8, 1988
	County results ; Wilson: 40–50% 50–60% 60–70% McCarthy: 40–50% 50–60% 60–70%
U.S. senator before election; Pete Wilson; Republican	Elected U.S. Senator ; Pete Wilson; Republican

The 1988 United States Senate election in California took place on November 8, 1988. Incumbent Senator Pete Wilson won re-election to a second term.

As of 2025, this is the last time a Republican won a U.S. Senate election in California. This was also the first time since 1952 that an incumbent Senator was re-elected to this seat, and the last time until 2022 that a man would win a Senate election in California.