- Cole Harris
- Colin Eden
- Colin Fisher
- Colin P. Gillen
- Columbia University Student Chapter
- Comer Jennings
- Concha Bielza
- Concordia University Student Chapter
- Concordia University Student Chapter
- Cong Feng and K. Sivakumar
- Cong Shi
- Conleigh Byers
- Conor McGowan
- Conrad Ruppert
- Conrado Borraz-Sanchez
- Constainin Alba
- Constance James
- Constantinos Maglaras
- Continental Airlines
- Continental Airlines
