| Abbreviation | Definition |
|---|---|
| NEMA | National Electrical Manufacturers Association |
| NEMIC | Nippon Electronic Memory Industry Co |
| NEMKO | Norges Elektriske Materiellkontroll (Norwegian safety organization) |
| NEMO | National Electronic Marine Observatory |
| NEMS | Nano-Electro-Mechanical Structure |
| NEN | Nederlandse Norm |
| NEP | Noise Equivalent Power |
| NEP | Non-Electronic Passports |
| NEP | Northern Electric Power |
| NEP | nuclear electric propulsion |
| NEPP | New Electronics Payment Program |
| NEPRA | National Electric Power Regulatory Authority |
| NEPS | Nepal Electronic Payment System |
| NERA | National Electrical Reciprocal Alliance |
| NERJ | New Electric Railway Journal |
| NERS | Nano-Electronic Receiver Switch |
| NES | Nashville Electric Service |
| NES | Nintendo Electronic Station |
| NES | Nintendo Electronic System |
| NESA | National Electronic Security Alliance |