Olcay is a common unisex Turkish given name. In Turkish, "Olcay" means "Luck", and/or "Lucky". It is also used as a surname.
People named Olcay include:
Given name First name Female Olcay Çakır (born 1993), Turkish basketball player Olcay Gulsen (born 1980), Dutch fashion designer Olcay Neyzi (1927–2022), Turkish doctor
Male Olcay Çetinkaya (born 1979), Turkish football player Olcay Gür (born 1991), Liechtenstein football player Olcay Senoglu (born 1984), Danish football player Olcay Şahan (born 1987), Turkish football player Olcay Turhan (born 1988), German football player
Middle name Ayşe Olcay Tiryaki (1955–2008), a Turkish physician
Surname Kenan Olcay (913–date of death unknown), Turkish wrestler John Olcay (1940–2014), international financier Osman Esim Olcay (1924–2010), Turkish diplomat Zuhal Olcay (born 1957), Turkish actress and singer