Family name Ivša (Ivša 
) , all over the world, is a very rare surname. The surname Ivša is characteristic of Southern Europe, particularly Croatia, where it is quite a rare surname. Much less frequently, Ivša is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Ivša | Croatia |
| ivša bošnjak dragovački (b. 1879) |
|