| Acronym | Definition |
|---|
| NTT➣Nippon Telegraph and Telephone Corporation |
| NTT➣Nusa Tenggara Timur (Indonesia province) |
| NTT➣National Trainers Team |
| NTT➣Nippon Telegraph and Telephone |
| NTT➣New Testament Theology |
| NTT➣New Technology Telescope |
| NTT➣National Technology Transfer, Inc |
| NTT➣Name That Tune (TV game show) |
| NTT➣Notice to Tenderers (New Zealand) |
| NTT➣Non-Tariff Trade (economics) |
| NTT➣National Tree Trust |
| NTT➣New Technology Train (New York, NY) |
| NTT➣National Think Tank (Nigeria) |
| NTT➣Number Theoretic Transform |
| NTT➣Nitrogen Tetroxide (rocket fuel) |
| NTT➣No-Test Trunk |
| NTT➣Núcleo de Transferência de Tecnologia (Brazil) |
| NTT➣Nuclear Testing Talks |
| NTT➣Noise Tolerance Threshhold |
| NTT➣Núcleo Temático de Turismo (Brazil) |
| NTT➣Non-Stationary Traffic Train |
| NTT➣New True Talent (film production and acting; Los Angeles, CA) |
| NTT➣Non-Traditional Threat |
| NTT➣No Tasks in Training |