All over the world, Alfonsas (Alfonsas 
, Альфонсас 
) is a rare boy's first name. The first name Alfonsas is habitual in Lithuania, where it is quite a common male name, Kazakhstan, where it is a rare masculine name, and Russia, where it is a very rare male name.
| VARIANT | COUNTRY |
|---|---|
| Alfonsas | United Kingdom, Brazil, United States, Lithuania, India |
| Альфонсас | Kazakhstan, Ukraine, Russia, Belarus |
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alfonsas petrulis Lithuanian priest and journalist, LT (b. 1873) |
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alfonsas danys Lithuanian writer, LT (b. 1924) |
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alfonsas svarinskas Lithuanian politician and catholic priest (1925-2014), LT (b. 1925) |
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alfonsas jonas navickas Lithuanian poet, LT (b. 1936) |
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| alfonsas sklėrius (b. 1890) |
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| alfonsas jakubėnas Lithuanian poet, LT (b. 1901) |
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alfonsas eidintas Lithuanian diplomat, LT (b. 1952) |
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| alfonsas survila (b. 1892) |
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alfonsas armalas LT (b. 1943) |
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| alfonsas jurskis LT (b. 1894) |
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| alfonsas gasparavičius LT (b. 1894) |
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alfonsas daniūnas6 Hellosmart (b. 1955) |
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| alfonsas babarskis Lithuanian Righteous Among the Nations, LT (b. 1906) |
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| alfonsas žukauskas LT (b. 1896) |
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| alfonsas mikulskis Lithuanian composer, LT (b. 1909) |
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Nas, Nevulis, Vainora, Vaitkus, Matiukas, Mataitis, Ambrazas, Kubilius, Galdikas, Junkaris, Juoceris, Eidintas, Vaisvila, Vainoras, Arlauskas, Adomaitis, Balbachas, Rudgalvis, Jankauskis, Kadzevicius, Kazlauskas, Pivoriunas, Lileika, Gricius, Dainius, Rauckinas, Ius, Souza, Buika, Guiga, Genys, Nakas, Filho, Mockus, Svipas, Brazas, Turevicius, Dargis, Thomas, Igaris, Motuzas, Miežėnas, Sluckus, Armalis, Babonas, Koncius, Kerelis, Pupelis, Juskys, and Volungevicius