| Acronym | Definition |
|---|
| GFSM➣Grupo Financiero Santander Mexicano (Spanish: Mexican Santander Financial Group; Mexico) |
| GFSM➣Government Finance Statistics Manual |
| GFSM➣Global Fibre Supply Model (forestry; UN Food and Agriculture Organization) |
| GFSM➣Glucose-Fructose-Sucrose-Maltose Mixture |