was a Japanese politician who was the 5th President of the Japanese Olympic Committee from 1945 to 1946, and mayor of Yokohama from 1951 to 1959.

Biography Hiranuma was born in Yokohama on 25 February 1879. He studied at Keio University.

He died in Tokyo on 13 February 1959.

References 慶應義塾史跡めぐり スポーツの父 平沼亮三 - 慶應義塾月刊三田評論ホームページ 2010年6月5日閲覧。