Family name Drobna (Drobna 
, Drobná ) , all over the world, is quite a rare cognomen. The family name Drobna is characteristic of Eastern Europe, particularly Slovakia, where it is quite a rare surname, Czechia, and Poland, where it is a rare surname. Very seldom, Drobna is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Drobna | Czechia, Poland, Slovakia, United States, Germany |
| Drobná | Czechia, Slovakia, United States |
| drobna profesorski Victim of the Holocaust, PL (b. 1877) |
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| monika drobna researcher (ORCID 0000-0003-1671-9071) |
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| didi drobna AT (b. 1988) |
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