Dachuan may refer to any of the following places in China:
Places As 大川:
Dachuan town of Zhouqu County, Gannan, Gansu Dachuan town of Eryan Subdistrict, Maojian District, Shiyan, Hubei Dachuan town of Lushan County, Sichuan Dachuan subdistrict of Wangqing County, Yanbian Korean Autonomous Prefecture, Jilin
As 达川:
Dachuan District of Dazhou City, Sichuan Dachuan town of Xigu District, Lanzhou, Gansu