Chika Umino is the pen name of an anonymous Japanese female mangaka, designer and illustrator born in Adachi, Tokyo.

She graduated from the Tokyo Metropolitan Art and Craft High School.

Her pen name comes from her favorite location Umi no Chikaku no Youenchi (海の近くの遊園地, lit. an amusement park by the sea), which is also the title of her doujinshi works prior to her debut.

She likes Harry Potter and anime by Hayao Miyazaki. She calls herself an otaku.

Umino still kept contact with Hiroshi Kamiya and Mikako Takahashi who voices Takemoto and Yamada respectively from the anime adaptations of Honey and Clover.