Family name Райхельгауз (Райхельгауз 
, Raykhelgauz 
) , all around the world, is a very rare cognomen. The family name Райхельгауз is characteristic of Eastern Europe, particularly Belarus, where it is a rare surname, Russia, where it is a very rare surname, and Ukraine.
| VARIANT | COUNTRY |
|---|---|
| Райхельгауз | Russia, Ukraine, Belarus |
| Raykhelgauz | United States, Germany |
|
райхельгауз, иосиф леонидович Soviet and Russian theater director,, RU (b. 1947) |
|