Cognomen Serbus (Serbus 
) , across the world, is a rare surname. The last name Serbus is characteristic of Czechia, where it is quite a rare surname, Austria, where it is a rare surname, and Croatia. Not in comparison with a country's population, it is commonest in the United States, Czechia, and Austria.
| VARIANT | COUNTRY |
|---|---|
| Serbus | Austria, France, Czechia, United States, Croatia |
| josef serbus (b. 1902) |
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| vilém serbus CZ (b. 1907) |
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| ladislav serbus CZ (b. 1908) |
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| laura r serbus researcher |
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