Kusakabe (written: 草壁 or 日下部) is a Japanese surname. Notable people with the surname include:

, prince of Japan , Japanese judoka , 19th-century Japanese photographer Yolanda Kusakabe, Japanese-Italian pianist

Fictional characters , a character in the manga and anime series Jujutsu Kaisen , a character in Kamikaze Kaito Jeanne , a character in the manga series Lucky Star , a character in 11eyes and , characters in the film My Neighbor Totoro , protagonist of the manga series Fire Force

See also , Japanese clan