Midorikawa is a Japanese surname. Notable people with the name include:
Hikaru Midorikawa (born 1968), Japanese voice actor Yōichi Midorikawa (1915–2001), Japanese photographer Yuki Midorikawa (born 1976), Japanese manga artist
Fictional Hana Midorikawa, secretary of the Underground Student Council from the manga/anime series Prison School. Nao Midorikawa, civilian identity of Cure March from the anime series Smile PreCure! Tomoko and Genji Midorikawa, Nao's parents Keita, Haru, Hina, Yuuta, Kouta, and Yui Midorikawa, Nao's younger siblings Retasu Midorikawa, civilian identity of Mew Lettuce from the manga/anime series Tokyo Mew Mew Ruruiko Midorikawa, SHOCKER associate from the film Shin Kamen Rider Takumi Midorikawa, captain of the Hatsushiba Clan featured in Yakuza 4.
See also Midorikawa Station, Railway station on the Misumi Line, operated by Kyushu Railway Company in Uto, Kumamoto, Japan