F5, F.V, F 5, F05 or F-5 may refer to:

Look up F5 in Wiktionary, the free dictionary.

• F 5 Ljungbyhed, a Swedish Air Force training wing
• Caproni Trento F-5, a jet aircraft of the 1950s
• Caproni Vizzola F.5, an Italian fighter aircraft of 1939
• Felixstowe F.5, a 1918 British flying boat
• Fokker F.V, a 1922 Dutch aircraft
• Northrop F-5, a jet light fighter
• F-5 Lightning, a photo-reconnaissance version of the Lockheed P-38 Lightning
• Shenyang F-5, a version of the Chinese Shenyang J-5 jet fighter

• SpaceX Falcon 5 proposed space launch rocket

• F5 (band), a rock band
• F5 (classification), a wheelchair sport classification
• F5 mandolin, a musical instrument
• F5, Inc., a manufacturer of network equipment
• F5 Tower, a skyscraper in Seattle, Washington
• Cosmic Air (IATA airline designator), an airline in Kathmandu, Nepal
• Factor V, a protein of the coagulation system
• Factsheet Five, a magazine sometimes referred as F5
• Faugère F5 algorithm, for computing the Gröbner basis of an ideal of a multivariate polynomial ring
• Nikon F5, a camera
• F5 tornado, the highest intensity rating on the Fujita scale
• F-5, trademark finishing move of American professional wrestler Brock Lesnar
• F5, a function key
• F05, a Japanese Industrial Standard connector for optical fiber cables

• FV (disambiguation)
• 5F (disambiguation)

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