NTAS
| Acronym | Definition |
|---|---|
| NTAS | National Terrorism Advisory System (US DHS) |
| NTAS | New Tokyo Airport Service (Tokyo, Japan) |
| NTAS | Northern Territory Archives Service (Australia) |
| NTAS | Naruto: The Abridged Series |
| NTAS | New Transfer Agency System (software) |
| NTAS | National Telephone Answering Service (Cleveland, TN) |
| NTAS | Navy Training Assessment System |
| NTAS | Norwegian Tracking Adjunct System |
| NTAS | NORAD TAC AUTOVON System |