Family name Ruuska (Ruuska 
) , throughout the world, is quite a rare surname. The last name Ruuska is characteristic of Northern Europe, particularly Finland, where it is quite a common surname, Iceland, where it is quite a rare surname, and Sweden. In absolute terms, it is the most numerous in Finland, the United States, and Sweden.
| VARIANT | COUNTRY |
|---|---|
| Ruuska | Canada, Sweden, Australia, United States, Finland |
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hilkka ruuska FI (b. 1933) |
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tuomas ruuska Finnish volleyball player, FI (b. 1981) |
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| sylvia ruuska American swimmer, US (b. 1942) |
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| pekka ruuska Finnish singer, songwriter and record producer, FI (b. 1958) |
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perttu ruuska FI |
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| helena ruuska FI (b. 1958) |
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| tiina ruuska Finnish singer, FI (b. 1970) |
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| satu maria ruuska researcher (ORCID 0000-0002-2768-855X) |
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| riitta ruuska Finnish Information Specialist, FI |
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| tiina ruuska researcher |
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| irmeli ruuska Finnish translator, FI |
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| pekka ruuska Finnish curator specialized in Public Art, FI (b. 1983) |
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| sinikka ruuska FI |
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| hannu ruuska FI |
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| pertti ruuska FI |
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