Yumiko Ooshima is a Japanese mangaka, illustrator and writer. She is associated with the year 24 group. She debuted in 1968, with her work Paula no Namida, which was published in "Weekly Margaret's Spring Break Special Edition".
She is credited with popularizing the kemonomimi (catgirl) character type through her creation of Chibi-neko from Wata no Kuni Hoshi.
