The 2006 California State Treasurer election occurred on November 7, 2006. The primary elections took place on June 6, 2006. Attorney General Bill Lockyer, the Democratic nominee, easily defeated the Republican nominee, Board of Equalization member Claude Parrish, for the office previously held by Democrat Phil Angelides, who was term-limited and ran for governor.

The 2002 California State Treasurer election occurred on November 5, 2002. The primary elections took place on March 5, 2002. The Democratic incumbent, Phil Angelides, defeated the Republican nominee, Greg Conlon.