Gabriel Fontaine (born 17 September 1940 in Saint-Lambert-de-Lauzon, Quebec) was a Progressive Conservative member of the House of Commons of Canada. He was a chartered administrator and consultant by career.

He represented the Quebec riding of Lévis where he was first elected in the 1984 federal election and re-elected in 1988, therefore becoming a member in the 33rd and 34th Canadian Parliaments. Fontaine did not seek a third term in Parliament and left federal politics in 1993.

1984 Canadian federal election: Lévis
Party Candidate Votes
Progressive Conservative Gabriel Fontaine 32,338
Liberal Gaston Gourde 17,283
New Democratic Jean-Paul Harney 12,076
Parti nationaliste Antoine Dubé 1,649
Rhinoceros Raymond Emiliano Marquis 1,630
Social Credit Jean-Paul Rhéaume 216
1988 Canadian federal election: Lévis
Party Candidate Votes
Progressive Conservative Gabriel Fontaine 33,673
Liberal Denis Sonier 13,002
New Democratic Jean-Paul Harney 11,501
Social Credit Jean-Paul Rhéaume 445
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