Surname Tammsaar (Tammsaar 
) , all around the world, is a rare family name. The last name Tammsaar is characteristic of Northern Europe, particularly Estonia, where it is quite a common surname, Latvia, where it is a rare surname, and Lithuania.
| VARIANT | COUNTRY |
|---|---|
| Tammsaar | Estonia, Finland, United States, Latvia, Lithuania |
| tiit tammsaar Estonian politician, EE (b. 1951) |
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| lembit tammsaar (b. 1947) |
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| jaan tammsaar (b. 1949) |
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| algo tammsaar |
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| meigo tammsaar Estonian athletics competitor, EE (b. 1990) |
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| siim tammsaar (b. 1986) |
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