Phu Wiang Dinosaur Museum (Thai: พิพิธภัณฑ์ไดโนเสาร์ภูเวียง) is a geological museum mainly exhibiting fossils. It is under the administration of the Department of Mineral Resources, Ministry of Natural Resources and Environment, the Royal Thai Government, and situated in the Khok Sanambin public area in Tambon Nai Muang, Wiang Kao district, Khon Kaen province in the northeastern region of Thailand. The museum was constructed with a budget from the Tourism Authority of Thailand under supervision of the Department of Mineral Resources and comprises an area of 40 acres (160,000 m²).