Nankai (南开) is a family of schools in China founded by Yan Xiu (严范孙) (1860–1920) and Zhang Boling (张伯苓) (1876–1951).
The schools include: Nankai District (南开区, Nán-kāi Qū) in the city of Tianjin is named after Nankai schools.
The flagship school, Nankai University, and the original Nankai High School are still located there.