| TN | Technical Note | 技术说明 |
| TN | Telephone Number | 电话号码 |
| TN | TUNISIA | 突尼斯 |
| TN | Tennessee | 田纳西 |
| TN | Tunisia (ISO country code, top level domain) | 突尼斯(ISO国家代码,顶级域) |
| TN | treasury note | 国库券 |
| TN | troponin | 肌钙蛋白 |
| TN | Twisted Nematic | 扭曲向列 |
| TN | Thermonuclear | 热核的 |
| TN | Total Nitrogen | 总含氮量 |
| TN | Trade Name | 商业名称, 商品名 |
| TN | True North | 真北,正北 |
| TN | trunk network | 干线网 |
| TN | Transposon | 转座子 |
| TN | Air Tahiti Nui (airline code) | 塔希提-努伊航空公司(航空公司代码) |
| TN | TDRSS Network | TDRSS网络 |
| TN | Terra Nuova | Terra Nuova公司 |
| TN | Thoron (Thorium emanation) | 钍(钍放射) |
| TN | Thermoplastic Nitrile | 热塑性丁腈橡胶 |
| TN | Tubular Nylon | 管状尼龙 |
| TN | Transneft (Russian oil transportation and pipeline construction company) | Transneft(俄罗斯石油运输和管道建设公司) |
| TN | TASDAC Node | TASDAC节点 |
| TN | thoron | 钍 |
| TN | Trento (Trentino Alto Adige, Italy) | 特伦托(意大利特伦蒂诺上阿迪奇) |
| TN | tentacle nerve | 触手神经 |
| TN | Theoretical Novelty (Chess) | 理论新颖性(国际象棋) |
| TN | Translator's Note | 译者注 |
| TN | Track Newsletter (periodical) | 跟踪新闻稿(期刊) |
| TN | True Neutral (gaming) | 真中立(游戏) |
| TN | normal intraocular tension | 正常眼压 |
| TN | tarsonavicular | 跗骨血管的 |
| TN | trochlear nucleus | 滑车核 |
| TN | talonavicular | 距骨的 |
| TN | tetracyclinenitrile | 四环素腈 |
| TN | Transient Neighbors | 瞬态邻居 |
| TN | Truncated Normal | 截断的法线 |
| TN | Toilet Nation | 厕所国家 |
| TN | Third Number | 第三个号码 |
| TN | Text Next | 下一个文本 |
| TN | Texas and Northern Railway Company | 德克萨斯州和北方铁路公司 |
| TN | Trillion | 万亿 |
| TN | Tamil Nadu, India | 印度泰米尔纳德邦 |
| TN | trigeminal neuralgia | 三叉神经痛 |
| TN | Telnet | Telnet公司 |
| TN | Terranova | 特拉诺瓦 |
| TN | Terminal Number | 端子编号 |
| TN | True Negative | 真阴性 |
| TN | Transport Node | 传输节点 |
| TN | Train | 火车 |
| TN | Town | 镇 |
| TN | Thomson Newspapers | 汤姆森报业 |
| TN | Tree Nut | 树形螺母 |
| TN | Track Number | 轨道编号 |
| TN | Translators Notes | 翻译人员注释 |
| TN | Tamil Nadu (state in India) | 泰米尔纳德邦(印度邦) |
| TN | Target Number (gaming) | 目标数量(游戏) |
| TN | Tech N9ne (rapper) | Tech N9ne(说唱歌手) |
| TN | Technonikol Ltd. (building systems producing and distributing) | Technonikol Ltd.(建筑系统生产和分销) |
| TN | Tipperary North (Ireland) | 蒂佩雷里北(爱尔兰) |
| TN | Ted Nugent (rock artist) | Ted Nugent(摇滚艺术家) |
| TN | Trento (Province) | 特伦托(省) |
| TN | Treaty Nation | 条约国 |
| TN | Temporary Number | 临时编号 |
| TN | Turbo Navigator | Turbo导航器 |
| TN | Tunneling Network | 隧道网络 |
| TN | Tarifa Narrows | 塔里法海峡 |
| TN | Thai Nation | 泰国民族 |
| TN | Setswana | 塞茨瓦纳语 |
| TN | Traineeship Nominee | 学员提名人 |
| TN | Thursday Next | 下周四 |
| TN | Tamil Nadu | 泰米尔纳德邦 |
| TN | Training And Nutrition | 培训和营养 |
| TN | True Nafta | 真正的Nafta |
| TN | Target Number | 目标编号 |
| TN | Tuned Air | 调谐空气 |
| TN | Transfer Number | 转账号码 |
| TN | Twill Nylon | 斜纹尼龙 |
| TN | Technitrol | Technitrol公司 |
| TN | Treaty Nationals | 条约国民 |
| TN | Tehsil Nazim | 纳齐姆县 |
| TN | Transaction Number | 交易记录编号 |
| TN | Tech Net | 技术网络 |
| TN | Tonbridge (postcode, United Kingdom) | Tonbridge(邮政编码,英国) |
| TN | Tracor Northern | Tracor北部 |
| TN | Trade NAFTA | 北美自由贸易协定 |
| TN | Tennessee (US postal abbreviation) | 田纳西州(美国邮政缩写) |