Cognomen רומבאוט (Rombout 
, רומבאוט 
) , globally, is quite a rare surname. The surname רומבאוט is habitual in Netherlands, where it is quite a rare surname, Belgium, and Poland, where it is a very rare surname. Not in comparison with a country's population, it is the most numerous in Netherlands, Belgium, and the United States. Much less frequently, רומבאוט is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Rombout | Belgium, Indonesia, Netherlands, Poland, United States |
| רומבאוט | Israel |