| Acronym | Definition |
|---|
| NEN | NORAD (North American Aerospace Defense Command) Enterprise Network (US DoD) |
| NEN | Near Earth Network (US NASA) |
| NEN | Nederlands Normalisatie-Instituut (Netherlands Standards Institute) |
| NEN | Nieuwe Europese Normen (Dutch: New European Standards) |
| NEN | National Entrepreneurship Network (India) |
| NEN | Near End |
| NEN | National Educational Network (various locations) |
| NEN | North East Network (India) |
| NEN | Nucleo de Estudos Negros (Portuguese: Center for Black Studies; Brazil) |
| NEN | New England Network |
| NEN | New Energy News |
| NEN | Nursing Ethics Network |
| NEN | No Explanation Needed (Internet slang) |
| NEN | Nevada Equestrian Network |
| NEN | New Edge Networks, Inc. |