| Named By: | LiinGuo Li, DainQing Li, HaiinLu You & Peter Dodson in 2014 |
| Time Period: | Early Cretaceous |
| Location: | China, Gansu province |
| Size: | Uncertain. The holotype fossils are from an incomplete individual, but one that is estimated to have been about 15-18 meters long. Evidence suggests however that this specimen is of a juvenile or subadult and not a fully grown adult, therefor the true adult size remains unknown |
| Diet: | Herbivore |
| Fossil(s): | Teeth and partial remains including vertebrae, rib, ulna, radius, coracoid and scapula of a juvenile or subadult |
| Classification: | | Chordata | Reptilia | Dinosauria | Saurischia | Theropoda | Sauropoda | Titanosauria | |
Yongjinglong is an extinct genus of herbivorous derived titanosaur sauropod dinosaur known from the Early Cretaceous of Lanzhou-Minhe Basin of Gansu Province, China. It contains a single species, Yongjinglong datangi.