CWD
- Cadwaladerite
- Canada's Worst Driver
- Cantabrian Water Dog
- Chatswood railway station
- Chawinda railway station
- Chronic wasting disease
- Clwyd
- Coarse woody debris
- Coffee wilt disease
- Collingwood railway station
- Creswell railway station
- Current working directory
- Human leukocyte antigen
- Indian locomotive class XD
- L-form bacteria
- Woods Cree language