| Acronym | Definition |
|---|
| NYSTA➣New York State Thruway Authority |
| NYSTA➣New York State Turfgrass Association (Latham, NY) |
| NYSTA➣New York State Telecommunications Association |
| NYSTA➣New York State Teachers Association |
| NYSTA➣New York Singing Teachers' Association, Inc. (est. 1906; also seen as NYST) |