Cognomen Trivun (Trivun 
) , worldwide, is a rare last name. The last name Trivun is characteristic of Southern Europe, particularly Bosnia and Herzegovina, where it is quite a rare surname, Slovenia, and Serbia, where it is a rare surname. Very seldom, Trivun is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Trivun | Serbia, Croatia, Bosnia and Herzegovina, India, Slovenia |
| trivun triva vitasović yugoslav partisan (b. 1922) |
|