2021 General Election in Berthier—Maskinongé

The 2021 Election in Berthier—Maskinogé, a contest between former NDP House Leader Ruth Ellen Brosseau and the incumbent who unseated her in 2019 Yves Perron resulted in a close win for Perron as Brosseau failed to overcome the NDP's middling 2021 Performance to reclaim her seat.