4F or 4-F may refer to: *

4F (company) 4F is a Polish clothing company established in 2003 and headquartered in Wieliczka, in southern Poland. The company is owned by OTCF S.A. whose other subsidiary, subsidiaries include brands like Outhorn and 4Faces. It offers sports, tourism and ca ...

, a Polish sportswear company * 4-F classification in the U.S. Selective Service System, identifying a person as unfit for military service * 4F correlator, in Fourier optics * The 4f electron shell * Section 4(f) of the United States DOT act of 1966, which regulates acquiring park and historic properties for transportation use. *

4F case The 4F case concerns the events of 4 February 2006 in Barcelona, in which a policeman patrolling outside a rave was paralyzed after being hit by a falling object and nine people were arrested in consequence. At a trial two years later, seven p ...

, a 4 February 2006 controversial criminal case in Barcelona *

Flottille 4F Flotille 4F (abbreviated to 4F) is a French French Naval Aviation, Aeronavale aircraft squadron based at Base Aéronavale de Lann Bihoué and equipped with three Northrop Grumman E-2 Hawkeye, Northrop Grumman E-2C Hawkeye aircraft, these aircraft ...

a French naval aviation squadron * LMS Fowler Class 4F, a class of 0-6-0 steam locomotive

See also