Cognomen Kobulej (Kobulej 
) , in the world, is a very rare last name. The cognomen Kobulej is characteristic of Eastern Europe, particularly Slovakia, where it is a rare surname, Czechia, and Hungary.
| VARIANT | COUNTRY |
|---|---|
| Kobulej | Hungary, Czechia, Slovakia |
|
vasil kobulej CZ (b. 1919) |
|
| kobulej tibor Hungarian veterinarian, parasitologist (1921-1997), HU (b. 1921) |
|