Template:1971 Canadian federal by-elections/Chambly

Canadian federal by-election, May 31, 1971: Chambly On Mr. Pilon's death, 17 November 1970.
Party	Candidate	Votes	%	±%
	Liberal	Yvon L'Heureux	16,243	66.57	+0.25
	New Democratic	Emile Boudreau	5,138	21.06	+11.17
	Progressive Conservative	Léopold Hamel	1,573	6.45	-13.18
	Independent	Jean-Margaret McGlynn	1,049	4.30	–
	Republican	Claude Longtin	396	1.62	–
Total valid votes			24,399	100.00
Source: lop.parl.ca