Surname Калйужнайа (Калйужнайа 
) , in the entire world, is an extremely rare last name. The family name Калйужнайа is habitual in Eastern Europe, particularly Russia, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Калйужнайа | Russia |
Kalioujnaia, Kaliujnaia, Kaliuzhnaia, Kaljuzhnaja, and Kalyuzhnaya