MEFF
| Acronym | Definition |
|---|---|
| MEFF | Mercado Español de Futuros Financieros (Financial Futures Spanish Market) |
| MEFF | Mission Essential Feeding Facility (Little Rock Air Force Base dining hall; Arkansas) |
| MEFF | Multicultural Eid Festival and Fair (Sydney, Australia) |
| MEFF | Most Esteemed First Finder (geocaching) |
| MEFF | Macroeconomic and Fiscal Framework (various organizations) |
| MEFF | Marin Environmental Film Festival (California) |
| MEFF | Marine Electronics Fire Fighting |