Zofia Kielan-Jaworowska (25 April 1925 – 13 March 2015) was a Polishpaleobiologist. In the mid-1960s Kielan-Jaworowska led a series of Polish-Mongolian paleontological expeditions to the Gobi Desert. Kielan-Jaworowska was the first woman to serve on the executive committee of the International Union of Geological Sciences.