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
 * Aranuka Airport in Aranuka, Kiribati
 * Architectural Association of Kenya
 * Armée de l'Air Khmère (Khmer Air Force, the air force of the Khmer Republic)
 * Automobile Association of Kenya