NYSF
| Acronym | Definition |
|---|---|
| NYSF | New York Shakespeare Festival (New York, NY) |
| NYSF | National Youth Science Forum |
| NYSF | New York Stage and Film (est. 1985; New York, NY) |
| NYSF | New York Sportfishing Federation (Oakdale, NY) |
| NYSF | National Youth Science Foundation, Inc. |
| NYSF | New York Straight Forward (news and pop culture blog) |