| Abbreviation | Definition |
|---|---|
| NES | Not Especially Specified |
| NESC | Non English Speaking Country |
| NESLA | New England School Library Assosiation |
| NEST | Nuclear Emergency Security Team |
| NET | National Educational Television |
| NET | National Electrotechnical Training |
| NET | Natural Environment Training |
| NETL | National Energy Technology Laboratory |
| NETSS | National Electronic Telecommunications System for Surveillance |
| NF | National Forest |
| NF | National Form |
| NF | Not Feasible |
| NFA | National Fire Academy |
| NFA | National Food Administration |
| NFAB | National Firearms Act Branch |
| NFAB | Nuclear Facilities Authorization Basis |
| NFAC | National Food And Agriculture Council |
| NFAL | No Further Action Letter |
| NFAP | National Foundation for American Policy |
| NFAPP | National Food and Agriculture Policy Project |