F6, F06, F 6, F.6 or F-6 may refer to:
Science and technology 246 (number), in hexadecimal Nikon F6, an SLR 35mm camera F06, an ICD-10 mental and behavioural disorder code F6, a function key on a computer keyboard F6, a theoretical level on the Fujita scale of tornado strength Force 6, a level on the Beaufort scale of windspeed F6, the octave name for the F (musical note) at a frequency of 1396.913 Hz.
Transport and vehicles Air Caproni Vizzola F.6, an Italian prototype fighter of 1941 (F.6M) and 1943 (F.6Z) F-6 Mustang, a reconnaissance variant of the North American P-51 Mustang World War II fighter F-6 Skyray, originally Douglas F4D Skyray, a 1950s/1960s US Navy jet fighter FaroeJet (IATA code) Grumman F6F Hellcat, an American World War II fighter aircraft Hannover F.6, civil configuration of the Hannover CL.V, a 1918 German ground attack aircraft Hunter F.6, a 1954 production variant of the Hawker Hunter fighter aircraft Shenyang F-6, an export version of the Chinese Shenyang J-6 jet fighter System F6, a DARPA program on developing fractionated spacecraft Västgöta Wing, or F 6, a former Swedish Air Force wing
Automotive BYD F6, a Chinese-made midsize sedan FPV F6, an Australian-made series of cars by Ford Performance Vehicles Princes Motorway, or F6, a motorway between Sydney and Wollongong, New South Wales, Australia F-6, a version of the 1948-1952 Ford F-Series pickup trucks A Flat-6 engine used in cars
Other , an Italian Regia Marina (Royal Navy) submarine in commission from 1917 to 1935 Milwaukee Road class F6, a 1925 American 4-6-4 steam locomotive model Mosman Bay ferry service (F6), a commuter ferry route in Sydney, New South Wales, Australia LNER Class F6, a class of British steam locomotives This may also refer to LNER Class F5 No.789 and 790, who were incorrectly classified F6 by the LNER
Other uses f6 (cigarette), a German brand F6 (classification), a wheelchair sport classification F-6, Islamabad, a sector of Islamabad, Pakistan
See also 6F (disambiguation)