| Abbreviation | Definition |
|---|---|
| FNC | Faculdade Nossa Cidade |
| FNDC | Family Network for Deaf Children |
| FNPG | Friends of the National Parks at Gettysburg |
| FOA | Florida Optometric Association |
| FOA | Friends Of Animals |
| FOAD | Feed Our Adorable Dolphins |
| FOAL | Friends Of Animal League |
| FOBAF | Friends Of Boggs Academy Foundation |
| FOBB | Friends Of Balayan Bay |
| FOBB | Friends Of Bellport Bay |
| FOBB | Friends Of Black Bayou |
| FOCA | Fellowship Of Christian Athletes |
| FOCAS | Friends Of County Animal Shelters |
| FOCUS | Family Outreach Community United Services |
| FOCUS | Family-Oriented Counseling and Unique Services |
| FOE | Fraternal Order of Eagles |
| FOE | Friends Of Eagles |
| FOF | Focus On the Family |
| FOF | Friend of Foundation |
| FOFR | Friends of Fallen Riders |