KKY

KKY may refer to


 * Kappa Kappa Psi (ΚΚΨ), United States national honorary band fraternity
 * Kilkenny Airport, Ireland, IATA airport code KKY
 * Kalau Kawau Ya (KKY), one of the western and central Torres Strait languages, see Kala Lagaw Ya
 * Ka Kwe Ye, government defence militia in Burma, see Lo Hsing Han
 * Library of Congress classification for Ukraine law since 1991, see Library of Congress Classification:Class K -- Law - Europe
 * Department of Cybernetics (KKY), a departments of the Faculty of Applied Sciences at the University of West Bohemia in Pilsen, Czech Republic