| Named By: | Xu Xing et al in 2004 |
| Time Period: | Early Cretaceous, 125-124.6 Ma |
| Location: | China, Liaoning Province, Yixian Formation |
| Size: | Up to 2 meters long |
| Diet: | unavailable |
| Fossil(s): | Several remains, together revealing much of the Skull and post cranial skeleton. Impressions of protofeathers have also been found with fossils |
| Classification: | | Chordata | Reptilia | Dinosauria | Saurischia | Theropoda | Tyrannosauroidea | |
Dilong (Di Long , which means 'emperor dragon') is a genus of small proceratosaurid tyrannosauroid dinosaur. The only species is Dilong paradoxus. It is from the Lower Cretaceous Yixian Formation near Lujiatun, Beipiao, in the western Liaoning province of China. It lived about 125 million years ago.