Karin Ingegerd Öberg (born August 27, 1982) is a Swedish astrochemist. She is a Professor of Astronomy at Harvard University and leader of the Öberg Astrochemistry Group at the Harvard-Smithsonian Center for Astrophysics. Her research concerns star formation, planet formation, and stellar evolution in relation to organic molecules, which are necessary to determine the origins of life on Earth and elsewhere. In April 2015, her group discovered the first complex organic molecule in a protoplanetary disk.