Tiantan Subdistrict (Chinese: 天坛街道; pinyin: Tiāntán Jiēdào) is a subdistrict on the southwest side of the Dongcheng District, Beijing, China.

As of 2020, it has a population of 27,429.

[1] The subdistrict was named after Temple of Heaven, an imperial religious complex that is located in this area.

As of 2021, there are 11 communities within the Tiantan Subdistrict:[3]