Halszka Osmólska (September 15, 1930 – March 31, 2008) was a Polish paleontologist who had specialized in Mongolian dinosaurs.

Since then she worked at the Institute of Paleobiology of the Polish Academy of Sciences (PAN).

[2] She was a member of the Polish–Mongolian expeditions to the Gobi Desert[3] (1963–1965 and 1967–1971) and she described many finds from these rocks, often with Teresa Maryańska.

Among the dinosaurs she described are: Her other work included discussions of the paleobiology of hadrosaurids, and co-editing the two editions of The Dinosauria.

[6] Osmólska was, in recognition of her scientific work, a recipient of a number of awards including the Polish Cross of Merit.