Collège Lionel-Groulx is a general and professional education college (CEGEP) located in Sainte-Thérèse, Quebec, Canada.

The College was established on September 14, 1967 and named in honor of the Quebec historian, Canon Lionel Groulx, former student of the Séminaire de Sainte-Thérèse.

In 1969, the College acquired all the movable and immovable property of Séminaire de Sainte-Thérèse.

The College's main facility occupies 1.8 million square feet of land.

The Collège Lionel-Groulx sports teams are named “Les Nordiques”.