Kōji Hashimoto (橋本 広司, Hashimoto Kōji, born 1 January 1956), known professionally as Kōji Yakusho (役所 広司, Yakusho Kōji), is a Japanese actor. He is known internationally for his starring roles in Shall We Dance? (1996), 13 Assassins (2010), The Third Murder (2017), The Blood of Wolves (2018), Under the Open Sky (2020) and The Days (2023). For his performance in Perfect Days (2023), he was awarded the Best Actor award in the 76th Cannes Film Festival.