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- Robert Campeau, financier
- Randy Carlyle, NHL hockey player, NHL hockey coach
- Judy Feld Carr, humanitarian who rescued over 3,000 Jewish people from wartorn Syria in the 1970s and 1980s
- Frank Chartrand, R.G.D., graphic designer and marketer, formerly musician in Deranged Records band Vicious Cycle
- Margaret Christakos, poet
- Kevin Closs, singer-songwriter
- Cindy Cook, children's entertainer and former host of Polka Dot Door
- Sean Costello, author
Read more about this topic: List Of People From Greater Sudbury