| Abbreviation | Definition |
|---|---|
| NBRC | National Bankruptcy Review Commission |
| NBS | National Bankruptcy Services |
| NBSA | Netherlands Bank of South Africa |
| NBSB | North Brookfield Savings Bank |
| NBSC | National Bank of South Carolina |
| NBSC | National Bank Staff College |
| NBSF | New Bank of Santa Fe |
| NBSI | National Bank of Solomon Islands |
| NBT | National Bank & Trust |
| NBT | National Bank and Trust |
| NBT | National Bank of Texas |
| NBTC | Northern Bank and Trust Company |
| NBU | National Bank of Ukraine |
| NBU | National Bank of Uzbekistan |
| NBV | National Bank of Vanuatu |
| NBW | National Bank of Washington |
| NBY | National Bank of Yemen |
| NBY | National Bank of Yugoslavia |
| NCB | Nanyang Commercial Bank |
| NCB | National Capital Bank |