Kenichi Tago (田児 賢一, Tago Ken'ichi, born 16 July 1989) is a badminton player from Japan, the son of badminton player Yoshiko Yonekura. In 2010, he reached the final of the All England Open Badminton Championships. En route to the final he beat three seeded players including Nguyen Tien Minh, Chen Jin and Bao Chunlai. In the final, Tago lost to the first seed and reigning World No. 1 Lee Chong Wei from Malaysia with a score of 21–19 and 21–19, following an incorrect line call in Lee Chong Wei's favour at matchpoint. In 2012, he competed at the London 2012 Summer Olympics in the men's singles event, but did not advance to the knock-out stage after being defeated by Niluka Karunaratne of Sri Lanka with a score of 18–21, 16–21. In 2014, he reached the Indonesia Open final after a shocking win