Boulay
Boulay is a surname, and may refer to:
- Antoine Jacques Claude Joseph, comte Boulay de la Meurthe, French politician and magistrate
- Étienne Boulay, Canadian footballer
- 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 footballer
- Olivier Boulay, French automobile designer