- Source: Oleg Yesayan
Oleg Yesayan (Armenian: Օլեգ Եսայան; born 12 November 1946) is an Armenian politician and diplomat who is a former Prime Minister of Nagorno-Karabakh, President of the National Assembly of Nagorno-Karabakh, and Chairman of the Securities Commission of Armenia. Yesayan is also a former Ambassador of Armenia to Russia and Belarus, presenting his credentials to Russian President Dmitry Medvedev on 5 February 2010.