| TRN | Turin, Italy - Caselle (Airport Code) | 意大利都灵-卡塞尔(机场代码) |
| TRN | Trashy Romance Novel | 垃圾浪漫小说 |
| TRN | Training Document (TMINS) | 培训文件(TMINS) |
| TRN | Transaction Register | 交易登记簿 |
| TRN | The Rader Network (Colorado Springs, Colorado, USA) | Rader网络(美国科罗拉多州科罗拉多斯普林斯) |
| TRN | Transaction Reference Number | 交易参考号 |
| TRN | tegmental reticular nucleus | 被盖网状核 |
| TRN | Transparent | 透明的 |
| TRN | Quattro - Clarion Translation support file | Quattro-Clarion翻译支持文件 |
| TRN | Trinity Industries, Inc. | 三一工业公司。 |
| TRN | Target Ring Number | 目标环编号 |
| TRN | Turin, Italy | 意大利都灵 |
| TRN | Total Request Nsync | 总请求Nsync |
| TRN | Threaded Read News | 线程阅读新闻 |
| TRN | Temporary Registration Number | 临时注册号 |
| TRN | Technology Research News | 技术研究新闻 |
| TRN | Terrain-Reference Navigation | 地形参考导航 |
| TRN | Training Resource Network, Inc | 培训资源网络公司 |
| TRN | Task Requirement Notice | 任务要求通知 |
| TRN | Topology Representing Network | 表示网络的拓扑 |
| TRN | The Radio Network Ltd (New Zealand) | The Radio Network Ltd(新西兰) |
| TRN | Talk Radio Network | Talk无线网络 |
| TRN | Travel Record Number | 旅行记录编号 |
| TRN | Target Reference Number | 目标参考编号 |
| TRN | The Revellee Nation (non profit organization) | 被放逐者国家(非营利组织) |
| TRN | Team Rally Nasjonal (Norwegian) | 车队拉力赛Nasjonal(挪威) |
| TRN | Token Ring Network | 令牌环网 |
| TRN | Transit Routing Number | 运输路线编号 |
| TRN | Turnaround | 转变 |
| TRN | Transition Register | 过渡寄存器 |