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Around the globe, Rosther (Rosther
) is a rare male forename. The given name Rosther is habitual in Sub-Saharan Africa, particularly the Democratic Republic of the Congo, where it is a rare boy's name, and Tanzania, where it is a very rare boy's name. Very seldom, Rosther is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Rosther | Colombia, Brazil, Tanzania, India, Democratic Republic of the Congo |