- Craig W. Kirkwood
- Craig Whittaker
- Craig Williamson
- Cristian Berner
- Cristian Figueroa
- Cristian Gonzalez
- Cristiana Lara
- Cristóbal Guzmán
- Cristóbal Heredia
- Cristobal Pais
- Cristóbal Pais Martínez
- CSX Railways
- Cungen Zhu
- Curt Stripling
- Curtis Flather
- Curtiss B. Cook
- Cynthia Barnhart
- Cynthia Rudin
- Cynthia Zeng
- Cyrus Derman
