| JANET | Joint Army-Navy Experimental and Testing Board | 陆海军联合实验和测试委员会 |
| JANET | Java Native Extensions | Java本机扩展 |
| JANET | Joint Academic Network (UK) | 联合学术网络（英国） |
| JANET | Just Another Nonexistent Terminal (USAF) | 只是另一个不存在的航站楼（USAF） |
| JANET | JICOS Administration and Network Environment Tool | JICOS管理和网络环境工具 |
| JANET | Just Another Non-Existant Terminal | 只是另一个不存在的终端 |