F5

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

Aircraft

 * 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

Transportation

 * SpaceX Falcon 5 proposed space launch rocket

Automobiles

 * BYD F5, a Chinese compact sedan
 * DKW F5, a German subcompact sedan
 * Haval F5, a Chinese compact SUV
 * Hennessey Venom F5, an American sports car

Roads and routes

 * F-05 (Michigan county highway)
 * Vermont Route F-5, state highway in Vermont

Locomotives

 * LNER Class F5, a class of British steam locomotives

Boats

 * Neutral Bay ferry services in Sydney Australia, known as the F5

Other

 * 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