Around the world, Zigmantas (Zigmantas 
, Зигмантас 
) is a rare masculine first name. The first name Zigmantas is habitual in Lithuania, where it is quite a rare masculine name, Kazakhstan, where it is a rare boy's name, and Russia, where it is a very rare boy's name. Also, Zigmantas is the last name as well as the forename.
| VARIANT | COUNTRY |
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| Zigmantas | Brazil, Lithuania, Australia, United Kingdom, United States |
| Зигмантас | Russia, Lithuania, Kazakhstan, Ukraine |
| zigmantas kriugeris PL (b. 1661) |
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zigmantas citavičius Polish landowner, military officer, January Uprising participant, LT (b. 1833) |
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| zigmantas revkovskis LT (b. 1807) |
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| zigmantas kazimieras gorskis (b. 1827) |
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| zigmantas raulinaitis LT (b. 1913) |
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| zigmantas liandzbergis Lithuanian architect, LT (b. 1929) |
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| zigmantas pocius Lithuanian politician and literary editor, LT (b. 1935) |
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| zigmantas benjaminas kazakevičius Lithuanian politician, LT (b. 1942) |
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| zigmantas kiaupa Lithuanian historian, LT (b. 1942) |
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| zigmantas jonas tiškevičius PL (b. 1934) |
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| zigmantas motiekaitis LT (b. 1936) |
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| zigmantas radvilavičius LT (b. 1936) |
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| zigmantas galminas (b. 1937) |
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| zigmantas jankauskas LT (b. 1937) |
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| zigmantas viktoras morkūnas LT (b. 1938) |
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