Family name Kalamvrezos (Kalamvrezos 
) , all around the world, is a very rare cognomen. The last name Kalamvrezos is habitual in Greece, where it is a rare surname, and Canada, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Kalamvrezos | Greece, Canada |
Kostas, and Kwstantinos