NFFS
| Acronym | Definition |
|---|---|
| NFFS | National Free Flight Society |
| NFFS | National Flood Forecasting System (various locations) |
| NFFS | North Florida Field Services (Jacksonville, FL) |
| NFFS | Nonfederal Financial Support (Public Broadcasting) |
| NFFS | National Family and Fertility Survey (est. 1990; Ethiopia) |
| NFFS | Northeast Ford Focus Series (auto racing) |
| NFFS | Nonferrous Founder's Society |