| NUFEA | Navy-Unique Fleet Essential Aircraft | |
| NUFED | NUcleos Familiares y Educativos para el Desarollo | |
| NUFI | National Urban Fellows, Inc. | |
| NUFI | National Union Fire Insurance Company | |
| NUFKOA | Nufarm Limited | |
| NUFO | National User Facility Organization | |
| NUFP | NASPA Undergraduate Fellows Program | |
| NUFU | National Urban Forestry Unit | |
| NUG | Networked Users Group | |
| NUG | New University Government | |
| NUG | Network User Group | |
| NUG | NERSC Users Group | |
| NUG | Newton Users' Group | |
| NUG | NCS Learn Users' Group | |
| NUG | New Users Guide | |
| NUG | New Users Guide | |
| NUG | Nazarene Users Group | |
| NUG | Negro Under Ground | |
| NUG | Nuguria, Papua New Guinea | |
| NUG | Necrotizing Ulcerative Gingivitis | |
| NUG | National Users Group | |
| NUG | necrotising ulcerative gingivitis | |
| NUGA | Network Users Group Alaska | |
| NUGA | Nigerian University Games Association | |
| NUGA | Nigerian Universities Games Associations |
