IETF
| Acronym | Definition |
|---|---|
| IETF | Internet Engineering Task Force |
| IETF | International Essential Tremor Foundation |
| IETF | International Engineering and Technology Fair (India) |
| IETF | Indian Engineering Trade Fair (New Delhi, India) |
| IETF | International Education Task Force (Fulbright Association) |
| IETF | Illinois Emerging Technologies Fund |
| IETF | Indicators for Evaluation Task Force (International Joint Commission; Great Lakes ecosystem study) |