Last name Kirkou (Kirkou 
) , all around the world, is a very rare family name. The cognomen Kirkou is habitual in Greece, where it is a rare surname, Bulgaria, and Canada, where it is an extremely rare surname. In absolute terms, it most frequently occurs in Greece, the United States, and Bulgaria.
| VARIANT | COUNTRY |
|---|---|
| Kirkou | Canada, Bulgaria, United States, Greece, United Kingdom |