Last name Καλαϊτζή (Καλαϊτζή 
) , across the world, is an extremely rare cognomen. The cognomen Καλαϊτζή is habitual in Southern Europe, particularly Greece, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Καλαϊτζή | Greece |
| γλυκερία καλαϊτζή Greek theatrologist and director, GR |
|