Family name Bortulin (Bortulin 
) , in the world, is a very rare last name. The cognomen Bortulin is characteristic of Croatia, where it is a very rare surname, Italy, and the United States, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Bortulin | Brazil, United States, Croatia, Italy |
| andrija bortulin Croatian ethnographer and translator, HR (b. 1876) |
|