Christian A. Sidor is an American biologist and paleontologist, Professor in the Department of Biology, University of Washington, Seattle, WA, as well as curator of vertebrate paleontology and associate director for research and collections at the Burke Museum of Natural History and Culture. Previously he was a member of the editorial board of the Journal of Vertebrate Paleontology. He is a research associate at the Field Museum of Natural History, National Museum of Natural History (Smithsonian Institution), American Museum of Natural History, and Evolutionary Studies Institute (University of the Witwatersrand). His research focuses on Permian and Triassic tetrapod evolution, especially on therapsids.
He is a discoverer of a number of extinct animals; see, e.g., 2004 in paleontology or 2006 in paleontology.
He is the 2001 recipient of the Romer Prize from the Society of Vertebrate Paleontology.