Surname Kaltsidou (Kaltsidou 
) , in all the world, is a rare family name. The surname Kaltsidou is habitual in Greece, where it is quite a rare surname, Colombia, where it is a very rare surname, and Germany, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Kaltsidou | United States, Germany, Greece, Colombia |