Surname Roytenberg (Roytenberg 
, Ройтенберг 
) , in all the world, is a very rare family name. The surname Roytenberg is habitual in Kazakhstan, where it is a very rare surname, Russia, and the United States. Very seldom, Roytenberg is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Roytenberg | Canada, Israel, United States |
| Ройтенберг | Kazakhstan, Russia, Ukraine |
Roeytenberg, Роитенберг, and Роытенберг
| dmitry roytenberg Ph.D. University of California, Berkeley 1999 |
|