DTK may refer to:
Businesses and organisations Democratic Society Congress (Demokratik Toplum Kongresi), a pro-Kurdish NGO in Turkey Deutsche Bank Contingent Capital Trust III, listed as DTK on the New York Stock Exchange Diamond Trust Bank Group, traded as DTK on the Nairobi Securities Exchange DTK Computer, a defunct Taiwanese computer hardware company
Computing Developer Transition Kit, Apple's first ARM-based Macintosh computer for developers Dell OpenManage Deployment Toolkit
Places Downtown Kilgore, Texas, United States Duttapukur railway station, West Bengal, India
Other uses Dunia Tanpa Koma, a 2006 Indonesian television series Tomo Kan, a Dogon dialect spoken in Burkina Faso