| 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 |