Koa is a species of tree endemic to Hawaii. Koa or KOA may also refer to: Koa people, an ethnic group of Australia Guwa language, or Koa, an Australian language Koya language, or Koa, a language of India Kona International Airport, IATA code: KOA, an airport in Hawaii KOA (AM), an American radio station KCNC-TV, an American television station, which used the call signs KOA or KOA-TV until August 1983 Kampgrounds of America, a franchise chain of North American campgrounds Kick Off Association, an organization for fans of the soccer simulation computer game Kick Off Kingdoms of Amalur: Reckoning, a 2012 video game KOA Corporation of Japan