| CTAN | Cable Telephony Access Node | 纜線電話接取節點 |
| CTAN | Comprehensive TeX Archive Network | 全面的TeX存档网络 |
| CTAN | Communications, Traffic Management, and Navigation System | 通信、交通管理和导航系统 |
| CTAN | Centro TÉcnico de Armas Navales | Centro TÉcnico de Armas Navales |
| CTAN | CINCPAC Teletype Automated Net | CINCPAC电传自动网 |
| CTAN | cetyltrimethylammonium | 十六烷基三甲基铵 |