John Galt is a fictional character in the 1957 book Atlas Shrugged by Ayn Rand.
John Galt may also refer to:
John Galt (novelist) (1779–1839), Scottish writer, entrepreneur, political commentator and historical founder of Guelph, Ontario
See also John Galt Corporation, American demolition and construction contractor John Galt Solutions, Inc., American software company The John A. Galt telescope at the Dominion Radio Astrophysical Observatory John Gault, American inventor