- Cronenbergia in all its weirdness
- Benjamin Cronyn
- Cronyn, Hume
- John Crosbie
- Crosbie, sir John Chalker
- Crosley, Lawrence
- Cross, Alfred Ernest
- Nation crie de Pimicikamak
- Crosses de fougère
- Crotale de l'Ouest
- Crotale des prairies
- Crotale Massasauga de l'Est
- Crouse, Lloyd Roseville
- Crow Lake (Le Choix des Morrison)
- Crowbar