Résultat confirmé · 13 avril 2026

Terrebonne.

Tatiana Auguste et les libéraux gagnent Terrebonne. Vote-Scope had projected a Liberal gain over the Bloc with 63% confidence before the April 13, 2026 federal by-election — the result confirmed the call.

Result

Winner Liberal · Tatiana Auguste 48.3%

Liberal — Tatiana Auguste 48.3% ✓

Bloc Québécois — Nathalie Sinclair-Desgagné 46.9%

Conservative — Adrienne Charles 3.3%

NDP — Maxime Beaudoin 0.5%

Green — Benjamin Rankin 0.4%

Turnout 51.3%

Margin +1.4 pts

The closest of the three April 13, 2026 by-elections. Tatiana Auguste won by 668 votes over the Bloc Québécois — a 1.4-point margin that kept the count open deep into the night before a durable Liberal lead held. Source: Elections Canada validated returns.