Diane Lebouthillier

Diane Lebouthillier (; ; born February 5, 1959) is a Canadian politician who served as Minister of National Revenue from 2015 to 2023 and Minister of Fisheries, Oceans and the Canadian Coast Guard from 2023 to 2025. A member of the Liberal Party, she was elected to the House of Commons in the 2015 federal election and represented the riding of Gaspésie—Les Îles-de-la-Madeleine for ten years. She was unseated by the Bloc Québécois candidate Alexis Deschênes in the 2025 election.

Background Lebouthillier's parents were born in the city of Gaspé, and they returned when she was four. She graduated with a bachelor's degree in social work from the Université de Moncton. Prior to her career in politics, she was a local social worker, managing clients out of the CLSC (provincial community clinic) in Chandler. She worked with long-time Member of the National Assembly (MNA) Georges Mamelonet on social service issues in the region. She is a mother of three sons and has two grandsons.

Political career

Municipal politics Lebouthillier was elected in 2010 as the Prefect of Le Rocher-Percé Regional County Municipality. She was appointed Minister of National Revenue in the federal Cabinet, headed by Justin Trudeau, on November 4, 2015. She was re-elected in the 2019 and 2021 federal elections.

On July 26, 2023, Lebouthillier was appointed Minister of Fisheries, Oceans, and the Canadian Coast Guard. In 2025, she was dropped from cabinet when Mark Carney formed the 30th Canadian Ministry.

In the 2025 federal election Lebouthillier was unseated by Bloc Québécois candidate Alexis Deschênes.

Electoral record