| Acronym | Definition |
|---|
| NYAA➣New York Academy of Art |
| NYAA➣National Youth Achievement Award (Singapore) |
| NYAA➣North York Astronomical Association |
| NYAA➣New York Apple Association |
| NYAA➣Northwestern Youth Athletic Association (New Tripoli, PA) |
| NYAA➣National Young Astronomer Award (Astronomical League) |
| NYAA➣Newfields Youth Athletic Association (Newfields, NH) |