| Abbreviation | Definition |
|---|---|
| FNBO | First National Bank Of Owasp |
| FNBO | First National Bank Of Oxford |
| FNBO | First National Bank Omaha |
| FNBP | First National Bank of Pasco |
| FNBP | First National Bank of Peterstown |
| FNBS | Federal National Bank Shares |
| FNBS | First National Bank of Suffield |
| FNC | First National City Bank of New York |
| FNCB | First National City Bank |
| FNCB | First National Community Bank |
| FNF | Fidelity National Financial |
| FNIS | Fidelity National Information Solutions |
| FO | Foreign Office |
| FOBC | Foreign Outward Bills for Collection |
| ForS | Former or Survivor |
| FOSB | Friends of Schuylkill Banks |
| FP&A | Financial Planning and Analysis |
| FPA | Fixed Permanent Allowance |
| FPB | First Premier Bank |
| FPB | Florida Parishes Bank |