Kei Totsuka (1968–) is a Japanese sports journalist from Kanagawa Prefecture. After graduating from the Faculty of Law at Hosei University, he worked as a reporter for a football magazine before becoming a freelance writer. He has covered the FIFA World Cup since the 1998 tournament, as well as the Japan national team and the J.League. He has also served as an official writer for Omiya Ardija and as a football commentator on television and specialist sports channels. His books include “Ao no Gunzo,” a chronicle of the Japan national team from 1992 to 2007, “Maresia,” an examination of tactical gamesmanship in football, and “Teiyosan demo Naze Tsuyoi?,” a study of Shonan Bellmare and Japanese football. He also co-authored “Wenger Note” with Tetsuo Nakanishi, drawing lessons about tactics and training from Arsène Wenger’s coaching methods.