Zahm is a surname. Notable people with the surname include:
Albert Francis Zahm (1862–1954), aeronautical experimenter, professor, and aeronautical division chief of U.S. Library of Congress Charlie Zahm, American singer and player of Celtic, maritime and traditional American music John Augustine Zahm (1851–1921), Holy Cross priest, author, scientist, and South American explorer Lewis Zahm, Union Civil War officer from Ohio who was commissioned a colonel on August 6, 1861, for organizing the 3rd Ohio Cavalry Olivier Zahm (born 1964), French art critic, curator, fashion editor, art director and photographer Shelia Hoar Zahm, American cancer epidemiologist specialized in pesticides and cancer
See also Zahm Andrist, mountain in the Bernese Alps in Switzerland Zahm Hall (University of Notre Dame), hall of residence on the campus of the University of Notre Dame