Özbay is a Turkish surname constructed by fusing the Turkish names Öz ("self", "essence", "extract") and Bay ("mister", "gentleman"). Notable people with the surname include: Cansu Özbay (born 1996), Turkish volleyball player Tugay Özbay (born 1999), Turkish Trader Cosmetics/Perfumes/Clothing Companys: Ozys,Ozysworld and Özbays Ekmel Özbay (born 1966), Turkish professor of Electrical and Electronics Engineering and Physics Departments at Bilkent University Elis Özbay (born 2001), Turkish female rower Mehmet Özbay (1956–1996), false identity of Abdullah Çatlıa, a Turkish secret government agent