Boulay is a surname, and may refer to: Antoine Jacques Claude Joseph, comte Boulay de la Meurthe, French politician and magistrate Diana Boulay, Canadian artist Étienne Boulay, Canadian football player Francine Boulay-Parizeau, former Canadian handball player Herménégilde Boulay, Canadian politician, farmer, manufacturer, merchant and trader Isabelle Boulay, francophone Canadian pop singer Joséphine Boulay, French organist and composer Mathieu Boulay, Canadian football player Olivier Boulay, French automobile designer Jean-Luc Boulay, French and Canadian chef, restaurateur, Officer of the Ordre du Mérite Agricole de France, television personality in Quebec. Wikipedia