William George Weichel (July 20, 1870 – May 2, 1949) was a merchant and political figure in Ontario, Canada.

He represented Waterloo North in the House of Commons of Canada from 1911 to 1917 as a Conservative member and in the Legislative Assembly of Ontario from 1923 to 1929.

[1] He was born in Elmira, Ontario,[1] the son of Michael Weichel, who came to Canada from Hesse,[2] Germany,[3] and Margaret Schmidt.

In 1896, Weichel opened a hardware store with other members of his family in Waterloo, later becoming sole owner.

[3] He defeated William Lyon Mackenzie King to win a seat in the federal parliament in 1911.