AAK is a three-letter acronym that may refer to:

• AarhusKarlshamn (operating as AAK), a producer of high-value added vegetable oils and fats, headquartered in Malmö, Sweden with production facilities in Sweden, Denmark, United Kingdom, The Netherlands, United States, Mexico and Uruguay.
• Alliance for the Future of Kosovo, an alliance of political parties in Kosovo.
• Architectural Association of Kenya.
• AAK, IATA airport code for Aranuka Airport in Aranuka, Kiribati.

1. REDIRECT

Aak (pronounced: A'ak) is a genre of Korean court music. It is an imported form of Chinese ritual music. Aak is often labeled as "elegant music" in contrast with other traditional Korean music. Aak began as the music played during the Korean "Jongmyo Shrine's Jerye Ceremony," and was later used for other occasions, and as Korean court music, often with lyrics praising the current ruler.