Mahiro Takasugi (高杉 真宙, born July 4, 1996) is a Japanese actor who is affiliated with Spice Power. He is best known for his role as the character Mitsuzane Kureshima/Kamen Rider Ryugen from the Kamen Rider series Kamen Rider Gaim.

高杉真宙，日本男演員，福岡縣出身，2021年4月11日與原經紀公司 Sweet Power 合約到期，同年成立個人事務所 POSTERS。