The Théâtre de Quat'Sous is a Canadian theatre located on Pine Avenue in the borough of Le Plateau-Mont-Royal in the city of Montreal, Quebec. Established in 1955, it is the third oldest theatre company in Montreal after Théâtre du Rideau Vert and Théâtre du Nouveau Monde.
Coordinates: 45°30′59″N 73°34′24″W / 45.51639°N 73.57333°W