İrfan Buz (born 11 January 1980) is a Turkish football manager and retired footballer who played as a midfielder. He is currently the manager of Samsunspor.
Buz moved to Germany in 1971 with his family, and graduated as a construction technician from the Technical University of Dortmund. He began playing amateur football with Rot-Weiß Lüdenscheid, before playing professional in Turkey. Buz joined Sarıyer S.K. in the Süper Lig in 1989, but only made 1 appearance over 2 years.
After his footballing career, Buz began working as a football manager. He transitioned as player manager for the amateur German club Barışspor Hackenberg. From 1999-2008, he served a youth coach in for the German Football Association. He managed the German club SpVg Olpe from 2009 to 2013 and got attention from the Turkish Süper Lig.In 2013 He briefly joined FC Iserlohn 46/49 in 2013 before moving to Bursaspor in 2013.