2020 Orange County Board of Supervisors election

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Orange County Board of Supervisors elections, 2020
	March 3 and November 3, 2020
2 of 5 seats to the Orange County Board of Supervisors
	Republican: 50–60%; Winners: Republican hold No election

The 2020 Orange County Board of Supervisors elections was held on March 3, 2020, as part of the primary election on March 3, 2020. Two of the five seats of the Orange County, California Board of Supervisors were up for election.

County elections in California are officially nonpartisan. A two-round system was to be used for the election, starting with the first round in March; followed by a runoff in November between the top-two candidates in each district. Runoffs are held if no candidate receives a majority in each district.