MTK

MTK may refer to:

Sport

 * MTK Budapest (Magyar Testgyakorlók Köre), a multi-sport club in Budapest, Hungary
 * Dunaharaszti MTK (Munkás Testedző Kör), a football club in Dunaharaszti, Hungary
 * MTK Global (Mack the Knife Global), a professional boxing and MMA promoter

Business

 * MediaTek, a Taiwanese microchip manufacturer
 * Katowice International Fair (Międzynarodowe Targi Katowickie), Poland
 * MTK Group, runs some public buses in Sofia

Entertainment

 * MTK (musical group), a Brazilian pop and rap group
 * Matt the Knife (born 1988), an American stage magician and mentalist

Other

 * Main-Taunus-Kreis, district of Germany
 * Makin Airport, Kiribati (IATA code "MTK")