KKT

KKT may refer to:


 * Karush–Kuhn–Tucker conditions, in mathematical optimization of nonlinear programming
 * kkt (közkereseti társaság), a type of general partnership in Hungary
 * Koi language, of Nepal, by ISO 639-3 code
 * Kappa Kappa Tau, a fictional sorority in the television series Scream Queens
 * Kumamoto Kenmin Televisions, a Japanese TV station