| Acronym | Definition |
|---|
| NTTT➣Niet Toxische Tumor Therapie (Dutch: Non-Toxic Tumor Therapy) |
| NTTT➣National Technology Transfer Team (Office of Surface Mining Reclamation and Enforcement) |
| NTTT➣Naval Tactical Team Trainer (simulator; various locations) |
| NTTT➣No Time To Talk |
| NTTT➣neural tissue tension test |