AF3
AF3 , AF 3 or AF-3 stands for:
- Fischer Airfish AF-3 , ground effect vehicle
- USS Culgoa (AF-3) , American supply ship, see list of support ships of the United States Navy #storage ships (AF, T-AF)
- Australian Formula 3 Championship
.af3 stands for:
- Filename extension for ABC Flowchart, see list of filename extensions / A
