| TYO | TOKYO | 东京 |
| TYO | Tokyo Metropolitan Area Airport Code (both to Narita International Airport and Haneda Domestic Airport) | 东京都机场代码(成田国际机场和羽田国内机场) |
| TYO | Tamil Youth Organization | 泰米尔青年组织 |
| TYO | Tant qu'il Y aura des Ohms (International Student Short Film Festival; Cedex, France) | 'il速溶瞿秋白Y光环des欧姆(国际大学生电影节短片,Cedex、法国) |
| TYO | Triangle Youth Orchestra | 三角青年管弦乐团 |
| TYO | Trafford Youth Orchestras (UK) | 特拉福德青年管弦乐团(英国) |
| TYO | Total Yarn Quantity | 总纱线数量 |
| TYO | Tie Your Own | 系上你自己的领带 |
| TYO | Toledo Youth Orchestra (Toledo, OH) | 托莱多青年管弦乐团(俄亥俄州托莱多) |
| TYO | Toast Your Own, Inc. | Toast Your Own公司。 |
| TYO | Transition Year Option | 过渡年选项 |
| TYO | Tasmanian Youth Orchestra (Australia) | 塔斯马尼亚青年管弦乐团(澳大利亚) |
| TYO | Thames Youth Orchestra (London, UK) | 泰晤士青年管弦乐团(英国伦敦) |