Uka or UKA may refer to:UKA (festival), a Norwegian cultural festival Uka (restaurant), a Michelin-starred Japanese restaurant in Hollywood, California Uka (village), a depopulated village in Kamchatka, Russia, or the river that flows through it Ūka, means "come" in Gīkūyū** Uka Airport, a decommissioned airfield in Kamchatka, Russia Uka (singer), Mongolian singer Unicompartmental knee arthroplasty, a surgery to relieve arthritis of the knee UK Athletics, a sports governing body United Klans of America, a branch of the Ku Klux Klan Ükä, a dialect of Standard Tibetan