| Acronym | Definition |
|---|
| NSY➣Naval Shipyard |
| NSY➣New Scotland Yard |
| NSY➣Nagoya-Shibata-Yasuda (mice) |
| NSY➣North Somerset Yeomanry (UK) |
| NSY➣North Shore YMCA (Young Men's Christian Association; Massachusetts) |
| NSY➣Network South Yorkshire (est. 2005; bus transportation; UK) |