| 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 |