Robert Aubin (born May 26, 1960) is a Canadian politician who served as the Member of Parliament for the riding of Trois-Rivières from 2011 to 2019 as a member of the New Democratic Party.
Born in Trois-Rivières, Quebec, Aubin has a diploma in geography from Université Laval and a degree in music and education from the Université du Québec àTrois-Rivières.
At the time of his election, he had been a teacher at the Séminaire St-Joseph for nearly 25 years. He has also been a musician.
Aubin was first elected to the House of Commons of Canada in the 2011 election and was re-elected in 2015. After the 2015 election, Aubin was appointed the NDP critic for International development and La Francophonie in the 42nd Canadian Parliament.
In the 2012 NDP leadership election, he supported Tom Mulcair. In the 2017 NDP leadership election, Aubin initially supported Peter Julian, then switched his support to Guy Caron after Julian withdrew from the race.
Aubin lost his seat in the 2019 federal election, falling to fourth place.