In the world, Giedrius (Giedrius 
, Гиедриус 
, Гедрюс 
) is quite a rare male forename. The first name Giedrius is habitual in Northern Europe, particularly Lithuania, where it is quite a common masculine name, Ireland, where it is a rare boy's name, and the United Kingdom, where it is a rare principally male, but scarcely female name. Not in comparison with a country's population, it is commonest in Lithuania, the United Kingdom, and the United States. Much less frequently, Giedrius is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Giedrius | Ireland, Spain, United States, United Kingdom, Lithuania |
| Гиедриус | Ukraine, Russia |
| Гедрюс | Belarus, Russia, Ukraine |
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giedrius petružis Lithuanian politician, LT (b. 1951) |
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giedrius tomas buračas LT (b. 1964) |
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giedrius barevičius Lithuanian footballer, LT (b. 1976) |
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giedrius slavickas Lithuanian association football player, LT (b. 1982) |
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giedrius tomkevičius Lithuanian footballer, LT (b. 1984) |
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| giedrius voroneckas badminton player, LT (b. 1940) |
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| giedrius kuprevičius Lithuanian composer, LT (b. 1944) |
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| giedrius ašmys Lithuanian engineer, LT (b. 1946) |
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giedrius bieliauskas Lithuanian rower, LT (b. 1997) |
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| giedrius juozas daniulaitis LT (b. 1938) |
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| giedrius uždavinys LT (b. 1940) |
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| giedrius reimeris Lithuanian designer, LT (b. 1952) |
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| giedrius kazimierėnas LT (b. 1948) |
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| giedrius šiukščius Lithuanian designer, LT (b. 1960) |
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| giedrius subačius Lithuanian linguist and philologist, LT (b. 1960) |
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As, Jankauskas, Vaiciulis, Zukauskas, Zilinskas, Žeromskas, Astrauskas, Kazlauskas, Paulauskas, Petrauskas, Rutkauskas, Lescinskas, Trumpickas, Ivanauskas, Žilinskas, Mikalauskas, Sakalauskas, Stanevičius, Cerniauskas, Kalinauskas, Kavaliauskas, Ramanauskas, Rakauskas, Stankevicius, Petraitis, Adomaitis, Nas, Ius, Banys, Gylys, Saulis, Butkus, Pocius, Pupkis, Rimkus, Grigas, Jocius, Madelis, Stankus, Urbonas, Savickas, Kubilius, Pažusis, Gudaitis, Navickas, Valančius, Meškauskas, Cibulskis, and Vasiliauskas