F21

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 ²¹F), an isotope of fluorine

See also

• 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)