FOK

Fok or FOK may refer to:

People

 * Fok (surname), a list of people with the name

FOK

 * FOK!, a Dutch website
 * Prague Symphony Orchestra, a Czech orchestra known by the acronym FOK (Film-Opera-Koncert)
 * Feeling of knowing
 * Fill or kill, an order to buy or sell a stock immediately
 * FOK, IATA airport code and FAA location ID for Francis S. Gabreski Airport, Long Island, New York, United States