| Abbreviation | Definition |
|---|---|
| NSGB | National Société Générale Bank |
| NSPB | National Special Purpose Bank |
| NSTB | Nervous System Tumor Bank |
| NTB | Nations Trust Bank |
| NTD | New Taiwan Dollar |
| NTFB | North Texas Food Bank |
| NTFB | North TX Food Bank |
| NUBAN | Nigeria Uniform Bank Account Number |
| NUBAN | Nigerian Uniform Bank Account Number |
| NVB | Nodaway Valley Bank |
| NVB | North Valley Bank |
| NWB | National Westminster Bank |
| NWR | Net Worth Ratio |
| NZB | Neue Zuercher Bank |
| NZD | New Zealand Dollar |
| O|M | Organization and Methods |
| OAB | Oman Arab Bank |
| OASB | Oasis Academy South Bank |
| OBB | Oak Brook Bank |
| OBB | Ohio Benefit Bank |