The 2021 Rijeka local elections were the elections for the 15th mayor of Rijeka, the two deputy mayors and the 31 members of the Rijeka City Council. It was a part of the Croatian local elections which were held on 16 May 2021.The incumbent mayor, Vojko Obersnel of the Social Democratic Party (SDP), announced on 6 November 2020 that he would be retiring at the end of his sixth consecutive term in office. The first round saw Marko Filipović (30.25%) and Davor Štimac (16.10%). Filipović is defending the "long-time stronghold" of the SDP against independent centre-right candidate Štimac.