The 2020 Kaohsiung mayoral by-election was held on 15 August 2020 following a successful recall attempt. The registered candidates were Chen Chi-mai representing the Democratic Progressive Party, Li Mei-jhen representing the Kuomintang, and representing the Taiwan People's Party. Chen Chi-mai won the by-election by a landslide margin with slightly over 70 percent of the votes. He replaced acting mayor on 24 August 2020.