What types of relationships do users of public spaces have with the artworks that are installed in those spaces? In this article, I discuss publics for artworks in public spaces. Basing my discussion on the urban sociology definition of public spaces, I examine these artworks’ contributions to urban social life and culture. As part of my exploratory research, the case of Saint-Louis Square in Montréal enabled me to put my proposition to the test. Filmed observation was used to document and analyze the different levels of interaction engaged in by the publics for two works of commemorative art found in the square.