| Abbreviation | Definition |
|---|---|
| JKB | Jordan Kuwait Bank |
| JL | Jewel Loan |
| JMB | JAL Mileage Bank |
| JMB | Jamaica Memory Bank |
| JMCB | Journal of Money, Credit and Banking |
| JNB | Japan Net Bank |
| JNB | Jordan National Bank |
| JNBS | Jamaica National Building Society |
| JNL | Journal |
| JnlNo. | journal number |
| JPMCB | J P Morgan Chase Bank |
| JPY | Japanese Yen |
| JRMB | Jute Raw Material Bank |
| JSB | Jefferson Security Bank |
| JSB | Jourdanton State Bank |
| JSBL | Jahangir Siddiqui Bank Limited |
| JSCB | Jharkhand State Cooperative Bank |
| JSCB | Joint Stock Commercial Bank |
| JtA/c | Joint Account |
| JTSB | Japan Trustee Services Bank |