Last name Plakolm (Plakolm 
) , throughout the world, is a rare cognomen. The family name Plakolm is habitual in Slovenia, where it is quite a rare surname, Austria, and Germany, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Plakolm | Slovenia, Austria, Germany, South Africa |
| johann plakolm AT (b. 1827) |
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| josef plakolm Austrian member of the Nazi party (1889-1956), AT (b. 1889) |
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claudia plakolm Austrian politician, AT (b. 1994) |
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| leonhard plakolm (b. 1957) |
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