| Acronym | Definition |
|---|
| NADF➣National Adrenal Diseases Foundation |
| NADF➣North American Directory Forum |
| NADF➣National Arbor Day Foundation |
| NADF➣North Atlantic Defence Force (gaming clan) |
| NADF➣North Antrim Dairy Farmers Development Group Ltd. (Northern Ireland, UK) |
| NADF➣Non-Aqueous Drilling Fluid |
| NADF➣Narrow Aperture Direction Finding |