Dahu Township () is a rural township in the south of Miaoli County, Taiwan.
As of September 2023, it had 13,035 inhabitants. Its area is .
The township comprises 12 villages: Dahu, Daliao, Danan, Fuxing, Jinghu, Lilin, Minghu, Nanhu, Tungxing, Wurong, Xinkai and Yihe.
The township is part of Miaoli County Constituency II electoral district for Legislative Yuan.
The location is famous for strawberry cultivation. The township produces 80% of the total output of strawberry in Taiwan, both in terms of cultivation area and production. Other local crops include: Rosa rugosa, Ginger and Sunflower.