Cognomen Kļaviņš (Kļaviņš 
, Клявиньш 
) , all around the world, is a rare last name. The cognomen Kļaviņš is habitual in Latvia, where it is quite a common surname, Russia, where it is a very rare surname, and Kazakhstan.
| VARIANT | COUNTRY |
|---|---|
| Kļaviņš | Latvia, United Kingdom |
| Клявиньш | Ukraine, Russia, Kazakhstan |
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juris kļaviņš LV (b. 1944) |
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| jānis kļaviņš Latvian association football player, LV (b. 1913) |
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askolds kļaviņš Latvian politician, LV (b. 1966) |
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| jānis kļaviņš Chess player, scientist, LV (b. 1933) |
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| dzintars kļaviņš LV (b. 1928) |
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| olafs kļaviņš Latvian bobsledder, LV (b. 1964) |
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| māris kļaviņš LV (b. 1956) |
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| aldis kļaviņš Latvian canoeist (1975-2000), LV (b. 1975) |
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| jānis kļaviņš LV (b. 1974) |
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| krišjānis kļaviņš LV (b. 1984) |
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Miks, Georgs, Lauris, Jānis, Edgars, Emīls, Inguss, Oskars, Matīss, Mārcis, Armands, Ainārs, Kaspars, Roberts, Ronalds, Rihards, Rūdolfs, Dāvids, Eduards, Ernests, Viesturs, Kristers, Guntis, Dāvis, Dainis, Raivis, Atis, Toms, Aldis, Andis, Artis, Arnis, Aivis, Ralfs, Gatis, Gints, Kristaps, Janis, Ivars, Mareks, Mairis, Madars, Māris, Andris, Artūrs, Aigars, Aivars, Pēteris, Juris, and Krišjānis