Hellenic Basketball Federation, the governing body for national team basketball in Greece
•
National Organization of Crete, a resistance organization established in occupied Crete during World War II
•
Keokuk Municipal Airport, an American airport which has IATA airport code EOK
In 1711, King Sukjong of Joseon directed that a mission to the shogunal court of Tokugawa Ienobu should be sent to Edo.