Minako Yamanaka (山中 美菜子,Yamanaka Minako) was the chairperson of the Teen of Japan executive committee. She was also a judge during the 2005 TOJ.
During the 2005 TOJ, Minako served as a judge and the committee's chairperson. She was consistently impressed by Ayano Kurimaki, who ended up winning based on points. However, she and the other judges agreed to award Tsukushi Makino one million yen, because the child judges called it a draw.