Seiichirō Yasui (Japanese: 安井誠一郎; 11 March 1891 – 19 January 1962) was a Japanese politician and bureaucrat who held a variety of positions in Japanese government. He served as appointed Governor of Niigata Prefecture from 1940 to 1941, then as appointed Governor of Tokyo from 1946 to 1947, then as elected Governor of Tokyo from 1947 to 1959. He also served as one of the members of the House of Representatives from 1960 to his death in 1962.
Source: “Seiichirō Yasui”, English Wikipedia (CC BY-SA 4.0), excerpt