| TTN | Trenton, NJ, USA - Mercer County (Airport Code) | 美国新泽西州特伦顿-默瑟县(机场代码) |
| TTN | The Ttn News | 电视新闻 |
| TTN | Tamil Television Network | 泰米尔电视网 |
| TTN | Transnational Taxation Network | 跨国税务网络 |
| TTN | Total Traffic Network | 总交通网络 |
| TTN | Testing Techniques Newsletter | 测试技术通讯 |
| TTN | TÉcnico do Tesouro Nacional (Brazil) | TÉcnico do Tesouro Nacional (Brazil) |
| TTN | Tape Trader Network | 磁带交易商网络 |
| TTN | Texas Traffic Net | 德克萨斯州交通网 |
| TTN | Tokyo Telecommunications Network | 东京电信网 |
| TTN | Tetrathianaphthalene | 四噻萘 |
| TTN | Thallic Nitrate, Trihydrate | 硝酸铊,三水合物 |
| TTN | Threshold Task Number | 阈值任务编号 |
| TTN | Trenton, New Jersey USA | 美国新泽西州特伦顿 |
| TTN | Technology Transfer Node | 技术转移节点 |
| TTN | Transient Tachypnea of the Newborn | 新生儿短暂性呼吸急促 |
| TTN | The Temple News (Temple University newspaper) | 《圣殿报》(圣殿大学报) |
| TTN | Titin | 提丁 |
| TTN | Transportation Tracking Number (USTRANSCOM) | 运输跟踪编号(USTRANSCOM) |
| TTN | Telecom Trading Network (NAATD) | 电信交易网络(NAATD) |
| TTN | Titan Corporation | 泰坦公司 |
| TTN | Technology Transfer Network | 技术转让网络 |
| TTN | transient tachypnea of newborn | 新生儿短暂性呼吸急促 |