GAF may refer to:
Military
- General of the Air Force, US
- Ghana Armed Forces
- Guardia alla Frontiera, Italy
Other uses
- Gaf, a Perso-Arabic letter
- Gaf (Mandaeism), a demon of the Mandaean underworld
- GAF Materials Corporation, an American manufacturer
- General Aniline & Film, its predecessor
- Gafsa – Ksar International Airport, in Tunisia
- Gende language
- Global Assessment of Functioning
- Government Aircraft Factories, in Australia
- NeoGAF, formerly Gaming-Age Forums, online video-game forum
- Great American Family, a television network
- Great American Faith & Living, its sister network
See also
- Gaff (disambiguation)