4F or 4-F may refer to:
- 4F (company), 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, a 4 February 2006 controversial criminal case in Barcelona
- Flottille 4F a French naval aviation squadron
- LMS Fowler Class 4F, a class of 0-6-0 steam locomotive
- February 1992 Venezuelan coup d'état attempt, known in Venezuela as "4F".
See also
Topics referred to by the same termThis disambiguation page lists articles associated with the same title formed as a letter–number combination.If an internal link led you here, you may wish to change the link to point directly to the intended article. Category: