Surname Täht (Täht 
) , in the entire world, is a very rare family name. The surname Täht is habitual in Northern Europe, particularly Estonia, where it is quite a rare surname, and Finland, where it is a very rare surname.
| VARIANT | COUNTRY |
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| Täht | Estonia, Finland |
| karl täht (b. 1896) |
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| reinhold täht (b. 1896) |
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karin täht Estonian psychologist, EE (b. 1969) |
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| jüri täht EE (b. 1930) |
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| toomas täht Estonian mathematician and mountaineer, EE (b. 1948) |
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| toomas täht Estonian actor, EE (b. 1977) |
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| toomas täht Cand. Sci. Ural State University 1980 |
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| robert täht Estonian volleyball player, EE (b. 1993) |
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