The 2020 Curitiba municipal election took place in the city of Curitiba, Brazil, with the first round taking place on 15 November 2020. Voters elected a mayor, a vice mayor and 38 councillors who are responsible for the city administration. Their respective terms began on 1 January 2021 and will end on 31 December 2024. The incumbent mayor is Rafael Greca, a member of the former party Democrats (DEM), who was able to run for reelection.

The Municipal Chamber of Curitiba is the unicameral legislative body of the city of Curitiba, the capital and largest city in the state of Paraná in Brazil. It was created on 29 March 1693, the same day the city was founded. It is the oldest public institution of Curitiba and had executive, legislative and also judicial functions when it emerged, as provided for by the legislation of the period.