CL
- .cl
- 150 (number)
- 2NE1
- Acura CL
- C1 (disambiguation)
- CAS latency
- CI (disambiguation)
- CL (rapper)
- CL register
- Canadair
- Caseless ammunition
- Cathodoluminescence
- Catholic League (U.S.)
- Centilitre
- Central League
- Central League (New Zealand)
- Certificated Location
- Champions League (disambiguation)
- Chile
- Chlorine
- Clifford algebra
- Closer (baseball)
- Colgate-Palmolive
- Common Lisp
- Common Logic
- Communion and Liberation
- Companhia das Lezírias
- Confidence level
- Continental League
- Control Language
- Creative Loafing
- Călărași County
- Divisor class group
- Engineering drawing abbreviations and symbols
- Lift coefficient
- Light crude oil
- List of cruisers of the United States Navy
- Lufthansa CityLine
- Mercedes-Benz CL-Class
- Province of Caltanissetta
- Shilluk language
- Topological closure