| Acronym | Definition |
|---|
| CLAN | Cooperating Libraries Automated Network (Rhode Island Public Library consortium) |
| CLAN | Children's Legal Action Network (Kenya) |
| CLAN | Colectivo Libre Aquiles Nazoa (Venezuelan student organization) |
| CLAN | Cereals and Legumes Asia Network |
| CLAN | Community Local Area Network |
| CLAN | Cordless Local Area Network |
| CLAN | Camp Lot A Noise (Orchid Greenhouse) |
| CLAN | Control Local Area Network (Avaya) |
| CLAN | Cluster Local Area Network (GigaNet) |
| CLAN | Civil Liberties Advocacy Network |
| CLAN | Classified Local Area Network |
| CLAN | Core Local Area Network |
| CLAN | Coalition Local Area Network |
| CLAN | Cableless Local Area Network |
| CLAN | Corporate Local Area Network |
| CLAN | Concerned Landowners of Negros Occidental |
| CLAN | Customer Local Area Network |
| CLAN | Connectionless Local Area Network |
| CLAN | Collapsed Local Area Network |
| CLAN | Campus Local Area Network |