Local elections were held in San Mateo, Rizal on May 9, 2022, as part of the Philippine general election. Held concurrently with the national elections, the electorate voted to elect a mayor, a vice mayor, eight members of the municipality's municipal council, a board member to the Rizal Provincial Board, and a representative to the House of Representatives. Those elected assumed their respective posts on June 30, 2022, alongside other local and national officials. 92,805 of 110,276 registered voters voted in these elections.