| Acronym | Definition |
|---|
| NIST | National Institute of Standards & Technology (US) |
| NIST | National Institute of Science and Technology |
| NIST | NIST International School (formerly New International School of Thailand) |
| NIST | National Institute of Standards and Technology |
| NIST | Nairobi International School of Theology (Kenya) |
| NIST | National Intelligence Support Team |
| NIST | Network Information Security & Technology News (online resource) |
| NIST | Nonproliferation & International Security Technology Division |
| NIST | Neighborhood Integrated Service Team (various locations) |
| NIST | Necrotizing Infections of Soft Tissues (bacteriology) |
| NIST | Nucleus Interstitialis Striae Terminalis (biology) |
| NIST | Neoplastic Inappropriate Secretion of TSH (Thyroid-Stimulating Hormone) |