Tanzi District (Chinese: 潭子區) 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.

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.

• Rice
• oranges

• Tanzi Elementary School
• Haiwen Middle School
• Ivy Collegiate Academy
• Sintian Mountain
• Hongwen High School

• Zhaixing Villa

• Lilin Station
• Tanzi Station
• Toujiacuo Station