Toshiaki Iwashiro (岩代 俊明 Iwashiro Toshiaki, born December 11, 1977) is a Japanese manga artist. He is the creator of the manga series Psyren and Mieru Hito. His students are Ryūhei Tamura, the author of Beelzebub, and Naoya Matsumoto, the author of Neko Wappa!.