Gaoshu Township is a rural township in Pingtung County, Taiwan.
It has an area of , and, as of February 2024, had a total population of 22,687.
The township comprises 19 villages: Cailiao, Dapu, Gaoshu, Guangfu, Guangxing, Jianxing, Jiuliao, Jiuzhuang, Nanhua, Sima, Taishan, Tianzi, Tungxing, Tungzhen, Xinfeng, Xinnan, Yanshu, Yuanquan, and Zhangrong.