Shengang Township () is a rural township in Changhua County, Taiwan.
Shengang had a population of 38,088 as of March 2023, and an area of .
During the Dutch period, the area was within the administrative region of Favorlang (modern-day Huwei, Yunlin).
The township comprises 14 villages: Beiqi, Biantou, Datong, Dingxing, Haiwei, Keliao, Qijia, Quancuo, Quanxing, Quanzhou, Shigu, Xide, Xingang and Zengjia.