George Alexander McQuibban (September 2, 1886 – January 30, 1937) was a physician and political figure in Ontario.
He represented Wellington Northeast in the Legislative Assembly of Ontario from 1926 to 1937 as a Liberal member.
He was born in Ingersoll, the son of James McQuibban and Helen Robertson, and was educated in Harriston and at the University of Toronto.
He set up practice in Alma in partnership with his brother James.