| 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) |