OKC may refer to:Oklahoma City, the capital and largest city of the U.S. state of Oklahoma Oklahoma City Thunder, the city's National Basketball Association (NBA) team OKC Will Rogers International Airport, the city's commercial airport OkCupid, American online dating website Ontario Knife Company, Franklinville, New York Odontogenic keratocyst, a tumor in the jaw now referred to as "keratocystic odontogenic tumor" Open kinetic chain exercises, exercises that are performed where the hand or foot is free to move