Tanzi District () is a suburban district with a population 108,761 as of February 2023, located north of Taichung, Taiwan. It has an area of 25.8497 km<sup>2</sup>.
Tanxiu, Tanbei, Tanyang, Furen, Toujia, Toujiatung, Jiaxing, Jiafu, Ganzhe, Tungbao, Dafu, Dafeng, Lilin, Jiaren, Xintian and Juxing Village.
Taichung Tanzi Export Processing Zone is located in the township, providing a variety of employment opportunities.
Created by Tzu Chi in 2007.