Surname Kolkka (柯卡 
, Kolkka 
) , around the globe, is a rare last name. The surname Kolkka is characteristic of Finland, where it is quite a rare surname, Sweden, where it is a rare surname, and Australia, where it is a very rare surname. Measured by absolute frequency, it is the most numerous in Finland, the United States, and Sweden. Very seldom, Kolkka is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| 柯卡 | China |
| Kolkka | Australia, Canada, Finland, Sweden, United States |
|
sulo kolkka Finnish journalist and sports journalist, FI (b. 1902) |
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| erkki kolkka Finnish sprinter, FI (b. 1944) |
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| väinö kolkka Finnish ice hockey player, FI (b. 1948) |
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| joonas kolkka Finnish footballer, FI (b. 1974) |
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| marina kolkka researcher (ORCID 0000-0002-3050-2859) |
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| jarmo kolkka FI |
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Mr, Susan, Seppo, Steve, Antti, Arttu, Bruce, Karen, Keith, Roosa, David, Jarmo, Tomas, Teemu, Tyson, Noora, Heidi, Veijo, Sharon, Steven, Annika, Conney, Saara, Sarah, Matti, Marko, Ms, Max, Sue, Anu, Jim, Maxi, Sari, Paul, Rami, Ross, Robert, Lisa, John, Juha, Toni, Niko, Emma, Eero, Fran, Olli, Outi, Oona, Jari, and Ronald