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Family name Krabba (Rapu
, Krabbe
, Krabba) , all over the world, is a common surname. The cognomen Krabba is characteristic of Denmark, where it is quite a common surname, Bolivia, where it is quite a rare surname, and Germany. Not in comparison with a country's population, it is commonest in India, Germany, and Denmark. Very seldom, Krabba is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Rapu | Bolivia, Brazil, India, Indonesia, United States |
| Krabbe | Netherlands, Brazil, United States, Denmark, Germany |
| Krabbi | Estonia |