The 2023 Osaka mayoral election took place on 9 April 2023 as part of the 20th unified local elections to elect the next mayor of Osaka. Incumbent mayor Ichiro Matsui decided not to seek a second term as mayor of Osaka, opting instead to retire from politics at the end of his term. The election resulted in a landslide victory for Hideyuki Yokoyama, the candidate from the Osaka Restoration Association, who secured 64.56% of the vote. Taeko Kitano, who was supported by the Liberal Democratic Party and the Constitutional Democratic Party, received 26.41% of the vote.
Following the rejection of his proposal to abolish Osaka City and establish an Osaka Metropolis, incumbent mayor Ichiro Matsui announced his intention to retire from politics at the end of his current term. The election was announced on 26 March 2023, to be held on 9 April 2023 in conjunction with elections for the Osaka City Council, the Osaka Prefectural Assembly, and the governor of Osaka Prefecture.
Fujita, Honda, and Matsunami were eliminated on 4 November 2022 during an internal Osaka Restoration Society selection meeting. Yokoyama then defeated Okazaki in a runoff election on 10 December 2022.
All results published by Osaka City.