P
- P. Reign – hip hop artist (born in Montreal, raised in Toronto, Ontario)
- Frank L. Packard – novelist
- Michel Pagliaro – musician
- Jessica Paré – actress
- Jacques Parizeau – politician, former Premier of Quebec
- Julie Payette – scientist, astronaut
- Trevor W. Payne – founder and music director of the Montreal Jubilation Gospel Choir
- Cory Pecker – hockey player, right wing (EHC Visp)
- Érik Péladeau – businessman (Québecor)
- Pierre Péladeau – founder of Quebecor
- Pierre Karl Péladeau – CEO of Quebecor Media
- Wilfrid Pelletier – symphony conductor
- Dr. Wilder Penfield – pioneering neurosurgeon, founder of the Montreal Neurological Institute
- Missy Peregrym – actress
- Oscar Peterson – jazz pianist
- Autumn Phillips – wife of Peter Phillips, eldest grandchild of Queen Elizabeth II
- Mary Pierce – tennis player
- André Pijet – artist
- Steven Pinker – linguist and evolutionary psychologist
- Susan Pinker – journalist and psychologist
- Christopher Plummer – actor
- Dick Pound – lawyer, Olympic Games executive
- Cheryl Pounder – hockey player Canadian Olympic women's team, Gold medalist 2002, and 2006
- André Pratte – journalist, economist
Read more about this topic: List Of Montreal Athletes