Kawtar Hafidi (Arabic: كوثر حفيظي‎) is a Moroccan-American experimental nuclear physicist and the Associate Laboratory Director for Physical Sciences and Engineering at Argonne National Laboratory. She researches nucleon and nuclear structure using major accelerator facilities, e.g., Jefferson Lab, DESY, and Fermilab. She is also an advocate for diversity and almost became a professional soccer player when she was 16.