Orkun Usak (born November 5, 1980) is a Turkish football goalkeeper who currently plays for Mersin İdmanyurdu SK. He is a product of the youth system of Galatasaray. He also played for Beykozspor, Bakırköyspor, Anadolu Üsküdar, Elazığspor, Ankaragücü, Kayseri Erciyesspor, Galatasaray, Manisaspor, Konyaspor and Kardemir Karabükspor. On 1 February 2012, he joined Antalyaspor for the rest of the season.

He signed a three-year contract with the Turkish club on the 20th of June 2007. His spectacular performance with his previous team enabled him to obtain a place in the international squad. Before coming to Galatasaray, he played 16 games for Kayseri Erciyesspor and received 10 goals.

He has one cap to his account.

Galatasaray

• Süper Lig: 2007–08
• Turkish Super Cup: 2008

• Orkun Usak at the Turkish Football Federation
• Orkun Usak at National-Football-Teams.com