CSNY
| Acronym | Definition |
|---|---|
| CSNY | Crosby Stills Nash and Young (band) |
| CSNY | Cryonics Society of New York |
| CSNY | Credit Suisse, New York Branch (bank) |
| CSNY | Culture Shock New York (dance group) |
| CSNY | Cosmetic Surgery of New York (Port Jefferson Station, NY) |
| CSNY | Canadian Society of New York (est. 1897; now Canadian Association of New York Incorporated) |