|Named By:||Zheng, XiaoinTing, You, HaiinLu; Xu, Xing & Dong, ZhiinMing in 2009|
|Time Period:||Late Jurassic, 158.5 Ma|
|Location:||China, Liaoning Province - Tiaojishan Formation|
|Size:||About 70 centimetres long|
|Fossil(s):||Partial skull and mandible with partial post cranial remains|
|Classification:||| Chordata | Reptilia | Sinosauria | Ornithischia | Heterodontosauridae ||
Tianyulong (Chinese: Tian Yu Long ; Pinyin: tianyulong; named for the Shandong Tianyu Museum of Nature where the holotype fossil is housed) was a genus of heterodontosaurid ornithischian dinosaur. The only species was T. confuciusi, whose remains were discovered in Jianchang County, Western Liaoning Province, China.