Tunç Hamarat (born December 1, 1946) is a Turkish chess player living in Austria and the sixteenth ICCF World Champion, 1999–2004. Born in Istanbul, Hamarat attended the Austrian St. Georgs-Kolleg high school in Istanbul, and then graduated in Physics from the Middle East Technical University (ODTÜ) in Ankara. In 1972, he moved to Vienna, Austria for his Master's degree in Physics Engineering at the Vienna University of Technology there. In 1976, he went temporarily back to İzmir, Turkey for military service. Since 1972 he has been living in Austria and has been an Austrian citizen since 1994. Recently, he is working for a telecommunication company in Vienna.