Last name Ro-Ttker (Ro-Ttker 
) , around the world, is an extremely rare family name. The family name Ro-Ttker is characteristic of Western Europe, particularly Germany, where it is an extremely rare surname. Parts of the name also exists independently as a first name Ro, and a last name Ttker.
| VARIANT | COUNTRY |
|---|---|
| Ro-Ttker | Germany |