Mikio Aoki
Mikio Aoki (, Hepburn: ; 8 June 1934 – 11 June 2023) was a Japanese politician who served as the Chief Cabinet Secretary from 1999 to 2000, and was briefly Acting Prime Minister following Keizo Obuchi's coma. A member of the Liberal Democratic Party, he also served as the Chairman of the LDP in the House of Councillors. He studied at Waseda University but did not graduate.