Dreyfuss is a surname; notable people with this surname include: Barney Dreyfuss, baseball entrepreneur, co-founder of the World Series Gideon Dreyfuss, molecular biologist, Howard Hughes Medical Institute and University of Pennsylvania Henry Dreyfuss, industrial designer Joel Dreyfuss, editor-in-chief of Red Herring Richard Dreyfuss, American actor Robert Dreyfuss, American freelance investigative journalist Rochelle C. Dreyfuss, American law professor. Wikipedia