Cognomen Špilak (Špilak 
) , in the world, is a rare family name. The cognomen Špilak is characteristic of Southern Europe, particularly Slovenia, where it is quite a rare surname, and Croatia, where it is a rare surname.
| VARIANT | COUNTRY |
|---|---|
| Špilak | Croatia, Slovenia |
|
simon špilak road bicycle racer, SI (b. 1986) |
|
| štefan špilak SI |
|