Caste Heaven (Japanese: カーストヘヴン, Hepburn: Kāsuto Hevun, alternatively titled Heaven of School Caste in Japan) is a Japanese manga series written and illustrated by Chise Ogawa, the yaoi pseudonym of Shigeyoshi Takagi. It was serialized in the monthly yaoi manga magazine Magazine Be × Boy since March 2014. A mobile game based on the manga was released in 2019 in Japan.