Budai Township (Chinese: 布袋鎮; pinyin: Bùdài Zhèn) is an urban township in Chiayi County, Taiwan.

Formerly known as Po-te-chhui (Chinese: 布袋嘴; Pe̍h-ōe-jī: Pò͘-tē-chhùi), it was the site where Japanese forces landed and completed the encirclement of Tainan during the Japanese invasion in 1895.

The township comprises 23 villages: Caipu, Cenhai, Daijiang, Fuxing, Guangfu, Guishe, HaomeiJiangshan, Jianlong, Jiulong, Kaoshi, Longjiang, Shulin, Tungan, Tunggang, Xian, Xincen, Xincuo, Xingzhong, Xinmin, Yongan, Zhenliao, and Zhongan.

Its industry is mainly made up of fishery.

This article about a location in Taiwan is a stub.