In all the world, Lajos (Lajos 
, Лайош 
, Лайос ) is a common boy's forename. The first name Lajos is habitual in Eastern Europe, particularly Hungary, where it is quite a common boy's name, Romania, and Slovakia. Much less frequently, Lajos is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Lajos | Germany, Romania, Hungary, Serbia, Slovakia |
| Лайош | Kazakhstan, Ukraine, Russia |
| Лайос | Ukraine, Russia |
| לאיוש | Israel |
Bardos, Chlodwig, Clodoveo, Clovis, Clóvis, Kossuth, Lajoš, Lewis, Lewys, Lluis, Lluís, Loaieș, Loeiz, Loic, Louis, Loïc, Loïck, Ludovic, Ludovico, Ludovicus, Ludvig, Ludvik, Ludwig, Ludwik, Luigi, Luis, Luiz, Luã S, Luís, Lájoš, Ľudovít, Λουί, Λουδοβίκος, Кловис, Лоик, Лудвиг, Лудвик, Луи, Луиджи, Луис, Луис, Луи, Луиш, Луіс, Луіш, Луї, Луїс, Льюис, Льюіс, Льюїс, Людвиг,
Lajos is also a name for the fictitious and mythical characters: Lajos von Geletneky , the operatic character in the opera Die Landstreicher.
| lajos marothy de maróth Lord of Maróth (b. 1443) |
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ii. lajos King of Hungary, Croatia and Bohemia (1506-1526), HU (b. 1506) |
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| szegedi lajos Hungarian pastor, HU (b. 1503) |
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| lajos rákóczi (1570–1612) (b. 1570) |
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| bodó lajos HU (b. 1601) |
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batthyány lajos Hungarian palatine, HU (b. 1696) |
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domokos lajos Hungarian politician (1728-1803), HU (b. 1728) |
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lajos mitterpacher Hungarian scientist (1734-1814), HU (b. 1734) |
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| lajos, graf erdödy de monyorókerék et monoszló 1694 - 22 Nov 1766 (b. 1694) |
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lajos török politician (1748-1810) (b. 1748) |
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| paksi lajos HU (b. 1695) |
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| gode lajos (b. 1705) |
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| lajos, graf teleki de szék 11 Nov 1716 - 2 Jun 1758 (b. 1716) |
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| lajos csapodi (1729-1801) (b. 1729) |
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| festetics lajos Hungarian noble (1732-1797), HU (b. 1732) |
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