Cyril (also Cyrillus or Cyryl) 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, Kyrylo, Kiril, Kiro, Kyril, Kyrill and Quirrel. It may also refer to:

Christian patriarchs or bishops

Other individuals

Fictional characters