Surname Tumėnas (Tumėnas 
, Туменас 
) , in the entire world, is a very rare family name. The last name Tumėnas is characteristic of Lithuania, where it is quite a rare surname, Kazakhstan, where it is a very rare surname, and Russia, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Tumėnas | Lithuania |
| Туменас | Kazakhstan, Ukraine, Russia |
| domininkas tumėnas LT (b. 1860) |
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| antanas tumėnas Prime Minister of Lithuania (1880-1946), LT (b. 1880) |
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| justinas tumėnas (b. 1881) |
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stasys tumėnas Lithuanian university teacher, LT (b. 1958) |
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raimondas tumėnas Lithuanian businessman and investor (b. 1963) |
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| vytautas vaclovas tumėnas PL (b. 1906) |
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| vytautas tumėnas LT |
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