The 2010 Los Angeles County Board of Supervisors elections were held on June 8, 2010, coinciding with the California gubernatorial election, 2010. Two of the five seats (for the First and Third Districts) of the Los Angeles County Board of Supervisors were contested in this election. None of the incumbents were termed out.
The incumbent, Gloria Molina, ran unopposed.
The incumbent, Zev Yaroslavsky, ran unopposed.