Yoshitsugu Kobayashi is a Japanese vertebrate paleontologist. He is a professor and the assistant director in Hokkaido University Museum. His major achievements include the description and naming of several dinosaurs from Japan, for example, Kamuysaurus, Yamatosaurus and Paralitherizinosaurus. He is also a research affiliate of Perot Museum of Nature and Science, a member of Jurassic Foundation, a councilor of Palaeontological Society of Japan.