Last name Ruska (Руска 
, Ruska 
, რუსკა 
) , in the entire world, is quite a common cognomen. The family name Ruska is characteristic of Bulgaria, where it is quite a common surname, Latvia, where it is quite a rare surname, and North Macedonia. Not in comparison with a country's population, it is commonest in Bulgaria, the United States, and Latvia. Likewise, Ruska is the forename as well as the last name.
| ferdinand ruska (b. 1826) |
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| julius ruska German historian, DE (b. 1867) |
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wim ruska Dutch judoka (1940–2015), NL (b. 1940) |
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| ernst august friedrich ruska German physicist (1906-1988), DE (b. 1906) |
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| helmut ruska German biologist (1908-1973), DE (b. 1908) |
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| elisabeth ruska (b. 1901) |
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| walter ruska (b. 1904) |
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| ruska dimitrova popvasileva (b. 1910) |
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| ulrich-ernst ruska (b. 1938) |
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| wolfgang heinz ruska (b. 1953) |
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| sjaak ruska Dutch powerlifter, NL (b. 1966) |
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| ilze ruska (b. 1959) |
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| thomas ruska (b. 1961) |
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| john ruska college basketball player (1957–1957) Canisius |
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| ruska makashvili actress (b. 1986) |
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