Giulia Galli is a condensed-matter physicist. She is the Liew Family Professor of Electronic Structure and Simulations in the Pritzker School of Molecular Engineering and the department of chemistry at the University of Chicago and senior scientist at Argonne National Laboratory. She is also the director of the Midwest Integrated Center for Computational Materials. She is recognized for her contributions to the fields of computational condensed-matter, materials science, and nanoscience, most notably first principles simulations of materials and liquids, in particular materials for energy, properties of water, and excited state phenomena.