Last name Rockus (Rockus 
) , around the globe, is a very rare surname. The last name Rockus is habitual in Lithuania, where it is a rare surname, Belgium, and Germany, where it is a very rare surname. Also, Rockus is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Rockus | Germany, Belgium, Tanzania, France, Lithuania |