Surname Rajasaar (Rajasaar 
) , in all the world, is a very rare family name. The cognomen Rajasaar is characteristic of Northern Europe, particularly Estonia, where it is quite a rare surname.
| VARIANT | COUNTRY |
|---|---|
| Rajasaar | Estonia |
| georg rajasaar Estonian engineer, EE (b. 1921) |
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| inge rajasaar (b. 1938) |
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| enn rajasaar Estonian architect, EE (b. 1961) |
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| val rajasaar Estonian nature photographer and conservationist, EE (b. 1968) |
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| ylle rajasaar Estonian journalist, EE (b. 1969) |
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