Last name Κύρκος (Kyrkos 
, Κύρκος ) , across the world, is quite a rare surname. The surname Κύρκος is habitual in Greece, where it is quite a common surname, Bulgaria, where it is a rare surname, and Belgium. In absolute terms, it is commonest in Greece, the United States, and Belgium. Very seldom, Κύρκος is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Kyrkos | Belgium, Canada, Greece, United States, Bulgaria |
| Κύρκος | Greece |
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λεωνίδας κύρκος Greek politician (1924-2011), GR (b. 1924) |
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| μιχαήλ κύρκος Greek journalist and politician, GR (b. 1893) |
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μίλτος κύρκος Greek politician, GR (b. 1959) |
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| βασίλης κύρκος GR (b. 1942) |
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