The primary election was held on June 8, 2010.

Incumbent Insurance Commissioner Steve Poizner, a Republican, ran for Governor of California and did not seek reelection.

Democratic Assemblyman Dave Jones defeated Republican Michael Villines in the general election.

The following were certified by the California Secretary of State as candidates in the primary election for Insurance Commissioner.

[1] Candidates who won their respective primaries and qualified for the general election are shown in bold.