Tatsumaru Yamaoka (山岡達丸, Yamaoka Tatsumaru; born 22 July 1979) is a Japanese politician. He has been a member of the House of Representatives since 2017, having previously served from 2009 to 2012. He is the son of Kenji Yamaoka.
Source: “Tatsumaru Yamaoka”, English Wikipedia (CC BY-SA 4.0), excerpt