Family name Kostrun (Kostrun 
) , across the world, is a very rare surname. The family name Kostrun is characteristic of Argentina, where it is a very rare surname, Germany, and Brazil, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Kostrun | Germany, United States, Argentina, Brazil |
| slaven kostrun chess player (b. 1968) |
|
|
| gertrud kostrun botanist |
|