AAK

Aak or AAK may refer to:

• Aak, a genre of Korean court music
• Aak flower, madar or crown flower, common name of Calotropis gigantea
• AAK Theory, a mathematical theory relating rational functions with singular values
• AarhusKarlshamn (operating as AAK), a Swedish producer of vegetable oils and fats
• Ajnad al-Kavkaz, a Chechen-led militia in the Syrian Civil War
• Alliance for the Future of Kosovo, an alliance of political parties in Kosovo
• Ankave language, a language of Papua New Guinea
• Architectural Association of Kenya
• Automobile Association of Kenya

Aviation

• Armée de l'Air Khmère (Khmer Air Force, the air force of the Khmer Republic)
• IATA airport code for Aranuka Airport in Gilbert Islands, Kiribati