| Acronym | Definition |
|---|
| TYO | Transforming Youth Outdoors |
| TYO | Taranaki Youth Orchestra (New Zealand) |
| TYO | That's Your Opinion (podcasts) |
| TYO | Tamil Youth Organization |
| TYO | Tant qu'il Y aura des Ohms (International Student Short Film Festival; Cedex, France) |
| TYO | Transition Year Option |
| TYO | Tasmanian Youth Orchestra (Australia) |
| TYO | Toledo Youth Orchestra (Toledo, OH) |
| TYO | Trafford Youth Orchestras (UK) |
| TYO | Thames Youth Orchestra (London, UK) |
| TYO | Triangle Youth Orchestra (Philharmonic Association; Raleigh, NC) |
| TYO | Tokyo Metropolitan Area Airport Code (both to Narita International Airport and Haneda Domestic Airport) |
