Globally, Милко (Milko 
, Милко 
, Mylko 
) is quite a common principally male, but scarcely girly forename. The given name Милко is characteristic of Bulgaria, where it is quite a common masculine name, Croatia, where it is quite a rare male name, and Slovenia. Not in comparison with a country's population, it most frequently occurs in Bulgaria, Ethiopia, and Italy. Much less frequently, Милко is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Milko | Bulgaria, Italy, United States, Serbia, Ethiopia |
| Милко | Ukraine, Kazakhstan, Bulgaria, Russia, Kyrgyzstan |
| Mylko | Peru, Philippines, Lithuania, Russia, United States |
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милко железов BG (b. 1872) |
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милко диков Bulgarian painter, BG (b. 1930) |
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| милко ахчиев MK (b. 1870) |
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милко георгиев бобоцов Bulgarian chess grandmaster, BG (b. 1931) |
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| милко балан BG (b. 1888) |
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| милко бичев BG (b. 1897) |
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милко попчев Bulgarian chess player, BG (b. 1964) |
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| милко тарабанов BG (b. 1905) |
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| милко балев Bulgarian politician, BG (b. 1920) |
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| милко димов Bulgarian cyclist, BG (b. 1924) |
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| милко бечев Bulgarian architect, BG (b. 1926) |
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| милко милев Bulgarian Major General, BG (b. 1930) |
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| милко георгиев BG (b. 1923) |
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| милко гайдарски Bulgarian footballer (1946-1989), BG (b. 1946) |
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| милко калайджиев Bulgarian singer, BG (b. 1951) |
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