Cognomen Штейнбук (Штейнбук 
, Shteinbuk 
) , in the entire world, is a very rare surname. The cognomen Штейнбук is habitual in Belarus, where it is a very rare surname, Ukraine, and Israel. Measured by absolute frequency, it is the most numerous in Eastern Europe, particularly Ukraine, Russia, and Belarus.
| VARIANT | COUNTRY |
|---|---|
| Штейнбук | Russia, Ukraine, Belarus |
| Shteinbuk | Russia, Israel, United States |
|
штейнбук феликс маратович UA (b. 1960) |
|