Surname Паичадзе (Паичадзе 
, Paychadze 
, Paitchadze 
) , all around the world, is a very rare cognomen. The cognomen Паичадзе is characteristic of Estonia, where it is a rare surname, Greece, where it is a very rare surname, and Georgia. In absolute terms, it is commonest in Russia, Greece, and Estonia.
| VARIANT | COUNTRY |
|---|---|
| Паичадзе | Russia |
| Paychadze | United States |
| Paitchadze | Georgia, Greece, France, Estonia |