Family name Мацкявичюс (Мацкявичюс 
) , around the world, is a very rare cognomen. The cognomen Мацкявичюс is characteristic of Eastern Europe, particularly Russia, where it is a very rare surname.
| витаутас мацкявичюс Lithuanian painter (1911-1991), LT (b. 1911) |
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| мацкявичюс, казимерас юозович LT (b. 1932) |
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| мацкявичюс, гедрюс RU (b. 1945) |
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| мацкявичюс, альгимантас антанович Lithuanian footballer, LT (b. 1958) |
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| мацкявичюс, римас Lithuanian draughts player, LT |
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