Grégoire Orlyk, also Hryhor Orlyk (Ukrainian: ?????? ????????? ?????, November 5, 1702, Baturyn – November 14, 1759, Minden), was a French military commander, special envoy and member of Louis XV's secret intelligence service.
Grégoire Orlyk was born in Ukraine, the son of Ukrainian hetman in exile Pylyp Orlyk and Hanna Hertsyk, received good education in Sweden, served in Poland and Saxony, participated in secret efforts of France to restore on the Polish throne Stanislaw Leszczynski.
He later commanded the king's regiment of Royal suedois.
For his intelligence work and military exploits was given the title of a comte and promoted to the general's rank of Maréchal de camp.
Grégoire Orlyk was an acquaintance of French philosopher Voltaire, championed Ukrainian cause in France and other countries.