Cognomen Rafajac (Rafajac 
) , worldwide, is a very rare last name. The last name Rafajac is habitual in Croatia, where it is quite a rare surname, Norway, where it is a rare surname, and Canada, where it is an extremely rare surname. Not in comparison with a country's population, it is the most numerous in Croatia, the United States, and Norway.
| VARIANT | COUNTRY |
|---|---|
| Rafajac | Croatia, Canada, Norway, United States |