In the world, Κύριλλος (Κύριλλος 
) is a very rare boy's first name. The first name Κύριλλος is characteristic of Southern Europe, particularly Greece, where it is a rare masculine name.
| VARIANT | COUNTRY |
|---|---|
| Κύριλλος | Greece |
|
κύριλλος λούκαρις Patriarch of Constantinople, MD (b. 1572) |
|
| κύριλλος β΄ κονταρής Ecumenical Patriarch of Constantinople in 1633, 1635–1636 and 1638–1639, GR (b. 1550) |
|
|
| κύριλλος δ΄ Ecumenical Patriarch of Constantinople, GR (b. 1650) |
|
|
|
κύριλλος β΄ Greek Orthodox Patriarch of Jerusalem, GR (b. 1792) |
|
| κύριλλος ζ΄ κωνσταντινουπόλεως Greek priest (?-1872), TR (b. 1775) |
|
|
| κύριλλος β΄ Cypriot priest and politician, CY (b. 1859) |
|
|
| μητροπολίτης κύριλλος GR (b. 1932) |
|
|
| κύριλλος σαρρής CY (b. 1950) |
|
|
| κύριλλος κιογεράκης μητροπολίτης ρόδου GR (b. 1964) |
|
|
| κορίνθου κύριλλος Greek priest, GR |
|
|
| κύριλλος γ΄ Ecumenical Patriarch of Constantinople in 1652 to 1654, GR |
|
|
| κύριλλος διαμαντάκης GR (b. 1971) |
|