Yōichirō Morikawa (born 1979), film director, screenwriter and actor
He has recently edited The Mammoth Book of Best New Manga, an anthology presenting the work of an international roster of contributors whose comics show the influence or inspiration of Japanese manga and anime, including: Michiru Morikawa, winner of the International Manga and Anime Festival's grand prize in 2005, previous category winners Asia Alfasi and Joanna Zhou, as well as established UK cartoonists Andi Watson and Craig Conlan.
Oda wrote "Algebraic Geometry, Sendai, 1985" with Hisasi Morikawa, a former professor at Nagoya University.