Osman Esim Olcay (17 January 1924 – 12 September 2010) was a Turkish diplomat, ambassador and Minister of Foreign Affairs.
[1] He completed Lycée Saint-Joseph in Istanbul and the Faculty of Political Sciences of Ankara University.
He began his diplomatic career in the Ministry of Foreign Affairs in 1947.
[2] During the 33rd government of Turkey between 26 March 1971 and 11 December 1971 he was appointed minister of foreign affairs.
[2] He died on 12 September 2010 in Ankara and was laid to rest in Cebeci Asri Cemetery.