Found 4 full forms for SFFN
| Term | Full Form | Category |
|---|---|---|
| SFFN | San Francisco Freecycle Network 
| Others |
| SFFN | Sci Fi Friday Night (Iowa Public Television)
| Others |
| SFFN | Stop Fast Food Now
| Others |
| SFFN | Subcapital Fractures of the Femoral Neck
| Others |