Dayu may refer to: *Dayu, Banmauk, Sagaing Region, Burma *Yu (Stargate), a Goa'uld System Lord in the TV show ''Stargate SG-1'' *Softstar (大宇資訊), a Chinese language video game developer and publisher.

China

*Yu the Great (大禹), legendary monarch of the Xia Dynasty *Dayu County (大余县), in Ganzhou, Jiangxi *Dayu, Handan (大峪镇), a town in Fengfeng Mining District, Handan, Hebei *Dayu, Jianghua Yao County (大圩镇), a town in Jianghua Yao Autonomous County, Hunan *Dayu, Rudong County (大豫镇), a town in Rudong County, Jiangsu *Dayu, Yangqu County (大盂镇), a town in Yangqu County, Shanxi

Iran

*Dayu, Ardabil, a village in Ardabil Province, Iran *Dayu, Bushehr, a village in Bushehr Province, Iran {{disambiguation, geo