Cognomen Demkó (Demkó 
) , in the entire world, is a very rare last name. The family name Demkó is habitual in Eastern Europe, particularly Hungary, where it is a rare surname. Much less frequently, Demkó is the forename as well as the last name.
| demkó kálmán politician, HU (b. 1852) |
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| györgy demkó SK (b. 1856) |
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demkó attila Hungarian diplomat and writer (b. 1976), HU (b. 1976) |
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| lászló demkó researcher ORCID ID = 0000-0001-5677-2331 |
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