F21 or F-21 may refer to :
Aviation
- F 21 Luleå, a Swedish Air Force wing
- IAI F-21 Kfir, a 1973 Israeli-built all-weather, multi-role combat aircraft
- Lockheed Martin F-21, a variant of the F-16 designed for the Indian Air Force
- KAI KF-21 Boramae, a South Korean/Indonesian stealth fighter currently under development
- Farman F.21 Moustique II, a French interwar airplane
- Taylorcraft F-21, an American light aircraft
Nautical
- F21 (torpedo), a torpedo developed for the French Navy
- HMS Punjabi (F21), a 1937 British Royal Navy Tribal-class destroyer
- ARV Mariscal Sucre (F-21), a Venezuelan navy frigate
- INS Gomati (F21), an Indian Navy Godavari-class frigate
- ROCS Tai Kang (F-21), a Taiwanese navy destroyer
Land transport
- F-21 (Michigan county highway)
- BMW Series 1, that had a model code called "F21"
Other uses
- Schizotypal personality disorder, whose ICD-10 code is "F21"
- Fluorine-21 (F-21 or F), an isotope of fluorine
See also
Search for "f21" , "f-21", "f2-1", "f-2-1", or "f21s" on Misplaced Pages.
- Shenyang J-21, 5th generation fighter, also referred to as the "F-21"
- All pages with titles beginning with F21
- All pages with titles containing F21
- All pages with titles beginning with F-21
- All pages with titles containing f-21
- 21 (disambiguation)
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