F2
Formula Two racing
EMD F2 locomotive
HMS F2, F-class submarine of the Royal Navy
Nikon F2 professional SLR camera
Taito F2 System
Fly Air IATA airline designator
RAF Tornado F.2 - the first generation of the Panavia Tornado Air Defence Variant
RAF Typhoon F2 - single seat fighter variant of the Eurofighter Typhoon fighter aircraft.
A standard white point for cool white fluorescent lamps
A tornado intensity rating on the Fujita scale, suggesting a moderately strong tornado
A brain region located in the frontal cortex of the macaque
mathbb F_2, the Galois field with two elements, also denoted as GF(2)
The F2 Layer of the ionosphere
F2, the chemical formula for fluorine gas
Fallout 2
F2 Castlereagh Freeway, one of the names used for the North Western Expressway in Sydney
F-2
F-2 Banshee, carrier-based jet fighter aircraft of the 1950s
Beechcraft F-2 Expeditor
Mitsubishi F-2, Japanese fighter aircraft based on the F-16 Fighting Falcon
USS F-2 , an F-class sub