C
- Charles Sandwith Campbell – philanthropist benefactor of Montreal
- Paul Cargnello – singer/songwriter
- Gerald Emmett Carter – former cardinal archbishop of Toronto
- André Chagnon – Cable TV, broadcasting, philanthropist
- Serge Chapleau – political cartoonist
- Robert Charlebois – singer/songwriter
- Gregory Charles – musician and radio host
- Dov Charney – entrepreneur and CEO of American Apparel
- Claude Charron – former politician, now TV host
- Régine Chassagne – singer, musician
- Patricia Chica – film and TV director
- Emanuelle Chriqui – actress
- Françoise de Clossey – pianist and organist
- Guy Cloutier – former artist manager
- G.A. Cohen – political philosopher
- Leonard Cohen – poet and singer
- Sidney M. Cohen – television director
- Steven Cojocaru – fashion critic
- John Colicos – actor
- Charles Comeau – drummer of Simple Plan and songwriter
- Phil Comeau – film and TV director
- Ernest Cormier – engineer and architect
- Corneille – singer
- Lee Corso – College Gameday host
- Irwin Cotler – law professor, politician
- Jean Coutu – pharmacist
- Ron Crevier – former NBA basketball player
- Peter Cullen – voice actor (voice of Optimus Prime from the film Transformers)
- Elisha Cuthbert – actress
- Mark Cohen (surgeon) – ophthalmologist, co-founder LASIK MD
- May Cutler – publisher and journalist, founder of Tundra Books and the first Canadian woman to publish children's books. First woman to serve as Mayor of Westmount, Quebec.
Read more about this topic: List Of Montreal Athletes