KAF, Kaf or Kafs may refer to:

• Mount Qaf or Kaf, a mythical place in medieval Islamic cosmology
• Kaf, a city in Al Jawf Province, Saudi Arabia
• Kandahar International Airport or Kandahar Air Field (KAF), near Kandahar, Afghanistan

• Communist Workers League (Sweden) (Swedish: Kommunistiska Arbetarförbundet), a Swedish Trotskyist political party now called the Socialist Party
• Kalki Avatar Foundation, a spiritualist organisation based in London, UK
• Korean Alpine Federation, a member of the International Ski Mountaineering Federation
• Kyrgyz Air (ICAO code), a privately owned airline based in Kyrgyzstan
• Karato Airport (IATA code), Papua New Guinea; See List of airports by IATA code: K
• Korean Anarchist Federation, see Anarchism in Korea

• Kenya Air Force, the national Air Force of Kenya
• Khmer National Air Force, the air force branch of the Khmer National Armed Forces, the official military of the Khmer Republic during the Cambodian Civil War between 1970 and 1975
• Kosovo Armed Forces
• Kuwait Air Force, the national Air Force of Kuwait
• Kandahar Air Field

• Kaf (singer), a Japanese singer-songwriter and virtual YouTuber

• KAF-10500, a CCD imaging sensor
• Kafs, people born in Réunion of Malagasy and/or African origins
• Kaph or kaf, the eleventh letter of many Semitic abjads