| Abbreviation | Definition |
|---|---|
| GS | General Secretary |
| GSB | Glenview State Bank |
| GSB | Government Saving Bank |
| GSB | Government Securities Broker |
| GSB | Graduate School of Banking |
| GSB | Greenfield Savings Bank |
| GSB | Guilford Savings Bank |
| GSBC | Graduate School of Banking at Colorado |
| GSDB | Global Service Data Bank |
| GSDB | Global Services Data Bank |
| GSDB | Greek Social Data Bank |
| GSIB | Global Systemically Important Banking |
| GSIB | Global Systemically Important Banks |
| GSLB | Greater Syracuse Land Bank |
| GSSB | Goppert State Service Bank |
| GT | the Guarantor of Tender |
| GTB | Global Transaction Banking's |
| GTB | Guaranty Trust Bank |
| GTBL | Guaranty Trust Bank Liberia |
| GTIB | Georgia Transportation Infrastructure Bank |