NYCS
| Acronym | Definition |
|---|---|
| NYCS | New York City Subway |
| NYCS | New York Central System (railroad) |
| NYCS | New York Correspondance School (artistic movement) |
| NYCS | New York Chamber Symphony (New York, NY) |
| NYCS | New York Combat Sambo (New York, NY) |
| NYCS | New York Credit Services |