Cyril is a masculine given name. It is derived from the Greek name Κύριλλος (Kýrillos), meaning 'lordly, masterful', which in turn derives from Greek κυριος (kýrios) 'lord'. There are various variant forms of the name Cyril such as Cyrill, Cyrille, Ciril, Kirill, Kiryl, Kirillos, Kuriakose, Kyrylo, Kiril, Kiro, and Kyrill.
