- Carlton E. Lemke
- Carmen Carmona
- Carmen Haseltine
- Carnegie Mellon Student Chapter
- Carnegie Mellon University Student Chapter
- Carnival Corporation & PLC
- Carolina Osorio
- Caroline Johnston
- Caroline Margaret Johnston
- Carolos Bispo
- Carolyn Kim
- Carri W. Chan
- Casey Chung
- Caspar G. Chorus
- Catalina Stefanescu
- Catalyze Inc.
- Catherine Anderson
- Catherine D. Chong
- Catherine Magelssen
- Catherine Tucker
