Coordinates: 24°08′00″N 120°27′32″E / 24.133438°N 120.458881°E
Xianxi Township (Chinese: 線西鄉; pinyin: Xiànxi Xiāng, Wade-giles: Hsianhsi) is a rural township in Changhua County, Taiwan with over 17,000 residents. With an area of 18.1 square kilometres, it is the smallest township in the county.
The township comprises eight villages: Dexing, Dingli, Dingzhuang, Gounei, Wenzi, Xiali, Xianxi and Yupu.