F3
- 3F (disambiguation)
- BRP Can-Am Spyder Roadster
- BYD F3
- Central Coast Mariners FC
- Douglas F-3 Havoc
- Douglas F3D Skyknight
- EEG
- EMD F3
- F-X (Japan)
- F2 (disambiguation)
- F3 (Istanbul Metro)
- F3 (classification)
- F3 (film)
- F3 (font format)
- F3 (gene)
- F3 (language)
- F3 (manga)
- F3 Derby
- F3 Nation
- F3 class
- F3 isoprostane
- Faso Airways
- Fat-Free Framework
- Felixstowe F.3
- Fisz
- Fokker F.III
- Form, fit and function
- Formula Three
- Forsmark Nuclear Power Plant
- Fujita scale
- HMS Cossack (F03)
- HMS F3
- Hannover F.3
- Hinterhoeller F3
- Hinterhoeller Yachts
- LNER Class F3
- MV Agusta F3 series
- McDonnell F3H Demon
- Mitsubishi X-2 Shinshin
- Mk F3 155mm
- Motorola Motofone F3
- Newcastle Jets FC
- Nikon F3
- Pacific Motorway (Sydney–Newcastle)
- Parramatta River ferry services
- RAF Tornado F3
- Taito F3 System
- USS F-3
- Östgöta Wing