- Carliss Baldwin
- Carlos A Morel-Figueroa
- Carlos A. Gonzalez-Calderon
- Carlos António Bana e Costa
- Carlos F. Daganzo
- Carlos Fernández
- Carlos Neves
- Carlos Olivos
- Carlos Ruiz
- Carlos Sarmiento Cardona
- Carlos Zetina
- Carlton E. Lemke
- Carmen Carmona
- Carnegie Mellon Student Chapter
- Carnegie Mellon University Student Chapter
- Carnival Corporation & PLC
- Carolina Osorio
- Caroline Johnston
- Caroline Margaret Johnston
- Carolos Bispo