Tiantai (天台宗) is a sect of Buddhism, also called Tendai in Japanese.
It may also refer to the following locations:
China
Tiantai County, Zhejiang Tiantai Mountain, mountain in Tiantai County Tiantai, Guizhou, town in Chishui City Tiantai, Jiangxi, town in Yuanzhou District, Yichun Tiantai, Jilin, town in Dehui Tiantai Township, Xuanhan County, Sichuan
Taiwan
Tiantai Hill, a hill in the Penghu National Scenic Area in Taiwan
See also Tendai (disambiguation) Tiantai Temple (disambiguation)