Cognomen Kolga (Kolga 
, Колга 
, Кольга 
) , all over the world, is quite a rare last name. The family name Kolga is habitual in Estonia, where it is quite a common surname, Finland, where it is a rare surname, and Ivory Coast. Measured by absolute frequency, the name is most common in Ukraine, Russia, and Ivory Coast.
| VARIANT | COUNTRY |
|---|---|
| Kolga | Turkey, Russia, Ivory Coast, Estonia, Finland |
| Колга | Kazakhstan, Ukraine, Russia |
| Кольга | Kazakhstan, Ukraine, Belarus, Russia |
| voldemar kolga Estonian psychologist, EE (b. 1947) |
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| marcus kolga Estonian journalist, EE (b. 1973) |
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| sven kolga Estonian basketballer and sport personnel, EE |
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| mariam kolga Ivorian basketball player, CI (b. 1983) |
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| assétou kolga Ivorian basketball player, CI (b. 1988) |
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| safiétou kolga Ivorian basketball player, CI (b. 1997) |
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| agnes kolga EE (b. 1999) |
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Mr, Vladi, Marina, Marcus, Margus, Moussa, Merike, Albert, Kerttu, Kristo, Julia, Rainis, Eduard, Henrik, Helena, Cecilia, Kirsika, Dramane, Liudmila, Valeriia, Valeriya, Julija, Liisu, Dagni, Rauno, Ms, Tim, Mati, Mudi, Siim, Sven, Anna, Karl, Kadi, Rain, Rene, Ruth, Toni, Erik, Igor, Olga, Maria, Marta, Marko, Ahmet, Carol, Viktoria, and Voldemar