FRR
- FRRouting
- Falls Road Railroad
- Federația Română de Radioamatorism
- Flight Readiness Review
- Forgiveness Rock Record
- Forza Rossa Racing
- Free Radical Research
- Fresh Air (airline)
- Front Royal–Warren County Airport
- Furniture Row Racing
- North Frisian language
- Pays de la Loire
- Pensions Reserve Fund (France)
- Romanian Rugby Federation