All over the world, Mečislovas (Mečislovas 
, Мечисловас 
) is a very rare masculine first name. The forename Mečislovas is characteristic of Northern Europe, particularly Lithuania, where it is quite a rare male name.
| VARIANT | COUNTRY |
|---|---|
| Mečislovas | Lithuania |
| Мечисловас | Kazakhstan, Ukraine |
Mecislaus, Mecislovas, Mecys, Mečys, Mieczyslaw, Mieczysław, Mieszko, Мечислав, Мечыслаў, Мешко, and Мєчислав
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mečislovas leonardas paliulionis LT (b. 1834) |
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mečislovas davainis-silvestraitis LT (b. 1849) |
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mečislovas gedvilas Lithuanian politician (1901-1981), LT (b. 1901) |
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| mečislovas vasiliauskas (b. 1877) |
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mečislovas jurevičius LT (b. 1927) |
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| mečislovas birmanas Lithuanian chess player (b. 1900) |
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| mečislovas bulaka Lithuanian teacher, LT (b. 1907) |
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| mečislovas kviklys LT (b. 1902) |
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| mečislovas mackevičius LT (b. 1906) |
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| mečislovas kymantas Lithuanian opera singer, LT (b. 1920) |
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| mečislovas rudzenskas (b. 1910) |
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| mečislovas leškys-leškevičius LT (b. 1911) |
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| mečislovas morkūnas Lithuanian Righteous Among the Nations, LT (b. 1925) |
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| mečislovas valius LT (b. 1916) |
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| mečislovas sakalauskas Lithuanian photographer, LT (b. 1928) |
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Bušas, and Jurevičius