William George Storm (1826–1892) was a Canadian architect who designed a number of prominent monuments in Toronto, Ontario.

He briefly studied at Upper Canada Academy in Cobourg (now Victoria University, Toronto.

In July 1852, Storm and Cumberland formed a partnership, and the firm became one of the most prominent in nineteenth century Toronto.

[1] The firm won many of the city's most important commissions, including expanding Osgoode Hall, the chapel of St. James-the-Less, the tower of St. James Cathedral, and University College.

A friendship with Emerson Coatsworth gained Storm commission to design new elementary schools across the city.