Lisa Lachance

Lisa Anne Lachance is a Canadian politician who was elected to the Nova Scotia House of Assembly in the 2021 Nova Scotia general election and re-elected in the 2024 Nova Scotia general election. She represents the riding of Halifax Citadel-Sable Island as a member of the Nova Scotia New Democratic Party.

As of August 2025, Lachance serves as the Official Opposition critic for Finance, Environment, Mental Health and Addictions, 2SLGBTQIA+ Affairs, Acadian Affairs, and Natural Resources. Lachance also serves as the New Democrat House Leader.

In 2026, Lachance endorsed Tanille Johnston in that year's federal NDP leadership race.

Early life Lachance was born in Montreal, and spent time in Belleville, Ontario and Australia, before completing high school in Canning, Nova Scotia. Lachance graduated from Dalhousie University in 1996 with a Bachelor of Arts in International Development Studies and in 2000 with a Master of Public Administration.

Personal life Lachance and her partner Heather Gass were one of the first same-sex couples to be legally married in Canada following Halpern v Canada (AG). Lachance is genderqueer and uses she/they pronouns.

Electoral history