Cognomen Mermolja (Mermolja 
) , all around the world, is a rare last name. The last name Mermolja is characteristic of Slovenia, where it is quite a rare surname, Croatia, where it is a rare surname, and Argentina, where it is a very rare surname. Measured by absolute frequency, the name is most common in Slovenia, Argentina, and Italy.
| VARIANT | COUNTRY |
|---|---|
| Mermolja | Germany, Italy, Croatia, Argentina, Slovenia |
|
fran mermolja SI (b. 1879) |
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| ivan mermolja politician, SI (b. 1875) |
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| mirko mermolja IT (b. 1906) |
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| ace mermolja Slovene poet, SI (b. 1951) |
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| ivan mermolja SI (b. 1953) |
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| milivoj mermolja SI |
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