Rebekah Dawson is an American astrophysicist and a former associate professor of astronomy and astrophysics at Pennsylvania State University. Her research focuses on simulating the evolution of exoplanetary orbits and compositions to better understand how planetary systems form. In 2017, she was awarded the Annie Jump Cannon Award in Astronomy by the American Astronomical Society. In 2018, Dawson was named as an Alfred P. Sloan Foundation Research Fellow. Dawson was awarded the 2020 Harold C. Urey Prize by the Division for Planetary Sciences, a division of the American Astronomical Society.