Sir John Craig Eaton (28 April 1876 – 30 March 1922) was a Canadian merchant and philanthropist who took his father’s family store, the Timothy Eaton store on Yonge Street in Toronto, and turned it into a highly lucrative company.

When Timothy died in 1907, he left an estate worth $180 million (CAD$250m/£135m) in today's money. Under Sir John, the retail business expanded across Canada during the early 1900s, opening several branches and even moving into manufacturing.

Eaton was well-regarded by his contemporaries for his efforts to improve working conditions for his employees, as well as his generous contributions to organisations including the Ontario College of Art, the Toronto General Hospital and the University of Toronto.

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