Note: Before 1938, the leaders of the Quebec Liberal Party were chosen by the party caucus.
(Held June 11, 1938)
Télesphore-Damien Bouchard and Édouard Lacroix withdrew before balloting.
(Held May 20, 1950)
George Carlyle Marler declined nomination; Horace Phillipon, Jean-Marie Nadeau withdrew before balloting.
(Held May 31, 1958)
(Held January 17, 1970)
(Held April 15, 1978)
(Held October 15, 1983)
(Held December 14, 1993)
(Held April 30, 1998)
(Held March 17, 2013)