KUA is the IATA code for Sultan Haji Ahmad Shah Airport, an airport in Malaysia.

KUA or Kua may also refer to: Kimball Union Academy, boarding school in the U.S. state of New Hampshire Kissimmee Utility Authority, electrical utility in Osceola County, Florida, U.S. Kua or Tshwa language, a dialect of East Kalahari Khoe used in Botswana and Zimbabwe Kwanyama dialect's ISO 839-3 code, a dialect of the Ovambo language used in Angola and Namibia South Campus (University of Copenhagen), also known as KUA (Københavns Universitet Amager) Kua Ruins, a historic site

See also KVA (disambiguation)