| Named By: | Shuo Wang, Chengkai Sun, Corwin Sullivan & Xing Xu in 2013 |
| Time Period: | Late Cretaceous, Maastrichtian |
| Location: | China, Jiangxi Province - Nanxiong Formation |
| Size: | Unavailable |
| Diet: | Uncertain |
| Fossil(s): | Partial remains |
| Classification: | | Chordata | Reptilia | Dinosauria | Saurischia | Theropoda | Oviraptoridae | Oviraptorinae | |
Ganzhousaurus is an extinct genus of oviraptorine oviraptorid dinosaur known from the Late Cretaceous Nanxiong Formation of Nankang County, Ganzhou City of Jiangxi Province, southern China. It was found in a Maastrichtian deposit and contains a single species, Ganzhousaurus nankangensis. It is distinguished by a combination of primitive and derived features.