Teresa Maryańska (?-) is a Polish paleontologist who has specialized in Mongolian dinosaurs, particularly pachycephalosaurians and ankylosaurians. A member of the 1964, 1965, 1970, and 1971 Polish–Mongolian expeditions to the Gobi Desert, she has described many finds from these rocks, often with Halszka Osmólska. Among the dinosaurs she has described are: Saichania and Tarchia (1977); with Osmólska, Homalocephale, Prenocephale, and Tylocephale (and Pachycephalosauria) (1974), Bagaceratops (1975), and Barsboldia (1981); and with Osmόlska and Altangerel Perle, Goyocephale (1982). As of 2004, she was affiliated with the Muzeum Ziemi of the Polska Akademia Nauk.