Ganz ( [ˈɡants]) is a surname. Notable people with the surname include:
Ábrahám Ganz, Swiss merchant and founder of the Ganz companies
Bruno Ganz, Swiss actor
David L. Ganz, American politician
Edwin F. Ganz, American politician
Howard Ganz, Current President of Ganz (toy company)
Joan Ganz Cooney, American businesswoman and television producer
Josef Ganz, German car designer
Lowell Ganz, American screenwriter
Maurizio Ganz, Italian former footballer
P. Felix Ganz (1922 -1990), of Chicago, Illinois
Rudolph Ganz, Swiss pianist, conductor, and composer
Sebastian Ganz, fictional character
Valerie Ganz, Welsh painter
Victor Ganz (1913–1987), art collector
Robert A. Ganz, MD, gastroenterologist and medical inventor
