- Chrysanthos (Chris) Dellarocas
- Chu Qian
- Chu Xin (Cloris) Cheng
- Chuck Holland
- Chuck ReVelle
- Chuck Zhang
- Chudi Zhong
- Chulho Lee
- Chun Ye
- Chun-An Chou
- Chung Piaw Teo
- Chung-Li Tseng
- Chungjae Lee
- Chunna Liu
- Chunxiao Li
- Ciamac C. Moallemi
- CITGO
- CITGO
- City of New York
- City of San Francisco Police Department
