Kousuke Akiyoshi (????, Akiyoshi Kosuke, born January 12, 1975) is a motorcycle road racer from Kurume, Fukuoka, Japan.
He is a two-time champion in the All-Japan Superbike Championship, and has competed sporadically in the MotoGP World Championship.
He is known in his native Japan as a competitor in the MFJ All Japan Road Race GP250 Championship, and most notably the All Japan Superbike championship, where he has enjoyed success with the Yoshimura Suzuki team riding a Suzuki GSX-R1000.
In July 2007 he, along with Yukio Kagayama, won the Suzuka 8 Hours endurance race on a Yoshimura Suzuki bike.