GFSM
| 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 |