| CLAN | Connectionless Local Area Network | 无连接局域网 |
| CLAN | Cluster Local Area Network (GigaNet) | 群集局域网（GigaNet） |
| CLAN | Cooperating Libraries Automated Network (Rhode Island Public Library consortium) | 合作图书馆自动化网络（罗德岛公共图书馆联盟） |
| CLAN | Control Local Area Network (Avaya) | 控制局域网（Avaya） |
| CLAN | Cooperating Libraries Automated Network | 合作图书馆自动化网络 |
| CLAN | Cordless Local Area Network | 无绳局域网 |
| CLAN | Cereals and Legumes Asia Network | 亚洲谷物和豆类网络 |
| CLAN | Clan of Losers And Novices | 失败者和新手氏族 |
| CLAN | Classified Local Area Network | 分类局域网 |
| CLAN | Civic Local Affairs Network | 公民地方事务网 |
| CLAN | Camp Lot A Noise (Orchid Greenhouse) | 营地地块A噪音（兰花温室） |
| CLAN | Community Local Area Network | 社区局域网 |
| CLAN | Civil Liberties Advocacy Network | 公民自由倡导网络 |
| CLAN | Collapsed Local Area Network | 崩溃的局域网 |
| CLAN | Customer Local Area Network | 客户局域网 |
| CLAN | Campus Local Area Network | 校园局域网 |
| CLAN | Concerned Landowners of Negros Occidental | Negros Occidental关注的土地所有者 |
| CLAN | Coalition Local Area Network | 联盟局域网 |
| CLAN | Cute Little Awesome Newborn | 可爱的小可爱的新生儿 |
| CLAN | Core Local Area Network | 核心局域网 |
| CLAN | Cableless Local Area Network | 无电缆局域网 |
| CLAN | Corporate Local Area Network | 公司局域网 |
| CLAN | Christians Linked Across The Nation | 全国各地的基督徒 |