Dr. Rinchen Barsbold (Mongolian: Ринченгийн Барсболд, Rinchyengiin Barsbold, born December 21, 1935 in Ulaanbaatar) is a Mongolian paleontologist and geologist. He works with the Institute of Geology, at Ulaanbaatar, Mongolia. He is recognized around the world as a leader in vertebrate paleontology and Mesozoic stratigraphy.