Last name Siimar (Siimar 
) , in the world, is a rare surname. The last name Siimar is habitual in Northern Europe, particularly Estonia, where it is quite a rare surname, Latvia, and Lithuania, where it is a rare surname. Very seldom, Siimar is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Siimar | Estonia, Finland, Latvia, India, Lithuania |
| veiko siimar Estonian swimmer, EE (b. 1941) |
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| janno siimar (b. 1979) |
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| kristofer siimar Estonian tennis player, EE (b. 1998) |
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| mattias siimar Estonian tennis player, EE (b. 1998) |
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