| Abk. | Bedeutung | Kontext |
| N | Norwegen | Autokennzeichen |
| N | Nachfrage | VWL |
| N-ID | Numerische User Agent-ID | X.400-Adressierung, ID des Benutzeragenten |
| NAIRU | Non-Accelerating Inflation Rate of Unemployment | VWL |
| NaN | Not a Number | |
| NATO | North Atlantic Treaty Organization | |
| NBP | Name Binding Protocol | |
| NC | Numerical Control | BWL |
| NCCUSL | National Conference of Commissioners on Uniform State Laws | |
| NCD | Network Computing Devices Inc. | |
| NCP | NetWare Core Protocol | Novell |
| NCSA | National Center for Supercomputing Applications | |
| NDIS | Network Device Interface Specification | |
| NDS | Netware Directory Service | Novell |
| NEST | Novell Embedded System Technology | |
| NetBEUI | NetBIOS Extended User Interface | |
| NetBIOS | Network Basic Input/Output System | |
| n.F. | neue Fassung | |
| N.F. | Neue Folge | |
| NF2 | Non-First Normal Form | |
| NFS | Network File System | |
| NHS | National Health Service | |
| NIAM | Nijssen Analysis Method | |
| NIC | Network Interface Card | |
| NIPC | National Infrastructure Protection Office | |
| NIST | National Institute of Standards and Technology | |
| NJW | Neue Juristische Wochenschrift | Zeitschrift |
| NJW-CoR | NJW-Computerreport | Zeitschrift |
| NL | Niederland | Autokennzeichen |
| NLSP | Netware Link Services Protocol | |
| NMOS | N-Channel Metal Oxide Semiconductor | |
| NNPC | National Petroleum Corporation | |
| NNTP | Network News Transferring Protocol | |
| NNU | Neural Network Facility | IBM |
| NWP | Nettoproduktionswert | VWL |
| Nr. | Nummer | |
| NRZ | Non Return to Zero | |
| NSA | National Security Agency | |
| NSAP | Network Service Access Point | OSI-Schichtenmodell |
| NT | New Technology | |
| NTC | Negative Temperature Coefficient | Halbleiter, Heißleiter |
| NTFS | NT File System | Microsoft |
| NW | Nennwert | BWL |
| NWS | Nettowertschöpfung | VWL |
| NWV | Neue Wirtschaftsbriefe | |
| NYSE | New York Stock Exchange | |