Surname Joska (Joska 
, Йоска 
) , throughout the world, is a rare last name. The surname Joska is characteristic of Czechia, where it is quite a rare surname, North Macedonia, and Finland, where it is a rare surname. Measured by absolute frequency, the name is most common in Czechia, Malaysia, and Brazil. Likewise, Joska is the forename as well as the last name.
| vladislav joska CZ (b. 1883) |
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| emil joska (b. 1891) |
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| bohumil joska Czech soccer player (1907-1979), CZ (b. 1907) |
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| josef joska (b. 1907) |
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| antonín joska (b. 1924) |
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| bohumil joska (b. 1928) |
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| otto joska (b. 1934) |
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| john a joska researcher |
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