Last name Cerhak (Cerhak 
) , across the world, is a very rare family name. The last name Cerhak is habitual in Slovakia, where it is a rare surname, Croatia, and France, where it is a very rare surname. Measured by absolute frequency, it is the most numerous in Slovakia, France, and Germany.
| VARIANT | COUNTRY |
|---|---|
| Cerhak | Germany, Croatia, France, Slovakia |
| jochen cerhak (b. 1939) |
|