Surname Nikolić-Kajić (Nikolić-Kajić 
) , around the globe, is a very rare family name. The family name Nikolić-Kajić is characteristic of Southern Europe, particularly Croatia, where it is a rare surname. Parts of the name also exists independently as a last name Nikolić, and a last name Kajić.
| VARIANT | COUNTRY |
|---|---|
| Nikolić-Kajić | Croatia |