NYAA
| 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) |