| Named By: | X. Xu, D.inY. Wang, C. Sullivan, D. W. E. Hone, F.inL. Han, R.inH. Yan & F.inM. Du in 2010 |
| Time Period: | Late Cretaceous, 83 Ma |
| Location: | China, Henan Province, Xixia County - Majiacun Formation |
| Size: | About 50 centimetres long |
| Diet: | Insectivore |
| Fossil(s): | Partial but articulated post cranial skeleton |
| Classification: | | Choradata | Reptilia | Dinosauria | Saurischia | Alvarezsauridae | Parvicursorinae | Ceratonykini | |
Xixianykus is a genus of alvarezsauroid theropod dinosaur from the late Cretaceous period of China.