Alex Boissonneault

Alex Boissonneault is a Canadian politician, journalist and radio host from the Parti Québécois who was elected to the National Assembly of Quebec from Arthabaska in a 2025 by-election.^[1] He defeated Conservative Party of Quebec leader Éric Duhaime and flipped a Coalition Avenir Québec seat.

Alex Boissonneault MNA
Member of the National Assembly of Quebec for Arthabaska
Incumbent
Assumed office August 11, 2025
Preceded by	Eric Lefebvre
Personal details
Born	1979 (age 45–46) Saint-Ferdinand, Quebec, Canada
Political party	Parti Québécois
Profession	Journalist

He previously hosted Première Heure, a radio show on Ici Radio-Canada Première.^[2] During the 3rd Summit of the Americas, Boissonneault was arrested and convicted of plotting to penetrate the secure perimeter, serving in pretrial detention 41 days, but was subsequently sentenced to community service.^[3] He regretted his actions and apologized during the 2025 campaign.^[4]

Electoral record

Quebec provincial by-election, August 11, 2025: Arthabaska Resignation of Eric Lefebvre
** Preliminary results — Not yet official **
Party	Candidate	Votes	%	±%
	Parti Québécois	Alex Boissonneault	17,327	46.37	+36.36
	Conservative	Éric Duhaime	13,081	35.01	+10.32
	Liberal	Chantale Marchand	3,481	9.32	+5.56
	Coalition Avenir Québec	Keven Brasseur	2,693	7.21	-44.54
	Québec solidaire	Pascale Fortin	548	1.47	-7.76
	Climat Québec	Trystan Martel	96	0.26	-0.31
	Union Nationale	Eric Simard	55	0.15	–
	Équipe Autonomiste	Louis Chandonnet	31	0.08	–
	Independent	Denis Gagné	29	0.08	–
	Independent	Arpad Nagy	24	0.06	–
Total valid votes			37,365	98.95
Total rejected ballots			398	1.05	-0.51
Turnout			37,763	59.98	-14.12
Eligible voters			62,960	–	+1.35
	Parti Québécois gain from Coalition Avenir Québec		Swing		+40.45