Ken'ichi Kumagai (熊谷 憲一, Kumagai Ken'ichi; 2 October 1895 – 9 October 1956) was a Japanese bureaucrat and politician. A career official of the Home Ministry and related wartime agencies, he served as Governor of Okayama Prefecture and Yamaguchi Prefecture, as the 27th Director-General of the Hokkaidō Agency, and after the war as a member of the House of Representatives from Fukuoka 1st district.
Source: “Ken'ichi Kumagai”, English Wikipedia (CC BY-SA 4.0), excerpt