Tanzi District (潭子區) is a suburban district with a population passes over 100,000 as of 2007, located north of Taichung, Taiwan. It has an area of 25.8497 km².
Taichung Tanzi Export Processing Zone is located in the township, providing a variety of employment opportunities.
Created by Tzu Chi in 2007.
Native products 
- Haiwen Middle School
- Ivy High School
- Sintian Mountain
- Hongwen High School
Tanzi District is accessible from TRA Tanzi Station.
Coordinates: 24°13′05″N 120°42′22″E / 24.218°N 120.706°E