| Abbreviation | Definition |
|---|---|
| CLA | Coin Laundry Association |
| CLAA | Crooked Lake Area Association |
| CLAAC | Canadian Library Association's Annual Conference |
| CLAAC | Culture Loisir Accueil et Animation en Chinonais French: Culture, Leisure, Hospitality and Entertainment Association in Chinonais) |
| CLANT | Criminal Lawyers Association of the Northern Territory |
| CLAP | Carleton Literary Association Paper |
| CLAPA | Contoocook Lake Area Preservation Association |
| CLAPA | Control Line Aerobatic Pilots Association |
| CLASP | Clear Lake Association of Senior Programs |
| CLASP | Collaborative Law Association of |
| CLASP | Collaborative Law Association of Southwest |
| CLASP | Collaborative Law Association of Southwestern Pennsylvania |
| CLCA | Colorado Lure Coursing Association |
| CLEARS | California Law Enforcement Association of Records Supervisors |
| CLFA | California Licensed Foresters Association |
| CLFA | Commercial Litigation Finance Association |
| CLFMA | Compound Livestock Feed Manufacturers Association |
| CLIA | California Lodging Industry Association |
| CLMA | Clinical Laboratory Management Association |
| CLMA | Composite Lumber Manufacturers Association |