Okan Demiriş (9 February 1942, in Istanbul – 18 June 2010) was a Turkish composer. He was married to the soprano Leyla Demiris.
His works include several operas:
- IV. Murat (pronounced Dördüncü Murat) libretto: Turan Oflazoğlu three acts, based on the life of Murad IV.
- 1977-79 Karyağdı Hatun, libretto: Nezihe Araz in three acts
- 1982-83 Yusuf ile Züleyha, libretto: Nezihe Araz.
- 71 Turkish composers: - Page 183 Evin İlyasoğlu - 2007 "Operas Dördüncü Murat/Murat IV, metin/libretto: Turan Oflazoğlu (üç perde/three acts), 1977-79 Karyağdı Hatun, metin/libretto: Nezihe Araz (üç perde/three acts), 1982-83 Yusuf ile Züleyha, metin/libretto: Nezihe Araz (üç ..."
- Talât Sait Halman, Jayne L. Warner - I, Anatolia and other plays Page 247 2008 "Araz wrote two librettos, both of which were composed as operas by Okan Demiris."