Throughout the world, Lucijan (Lucijan 
, Люциян 
, Луциян ) is a rare boy's first name. The forename Lucijan is habitual in Croatia, where it is quite a common male name, Slovenia, where it is quite a rare boy's name, and Austria, where it is a rare masculine name. Much less frequently, Lucijan is the last name as well as the forename.
| VARIANT | COUNTRY |
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| Lucijan | Austria, Italy, United States, Slovenia, Croatia |
| Люциян, Луциян | Kazakhstan, Russia |
| Люціян | Ukraine |
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lucijan vranjanin Italian architect, HR (b. 1420) |
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lucijan marija škerjanc Slovene composer, music pedagogue, conductor, musician, and writer, AT (b. 1900) |
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lucijan krivec SI (b. 1929) |
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| lucijan padovan IT (b. 1926) |
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| lucijan kleva Slovenian rower, SI (b. 1942) |
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| lucijan vuga SI (b. 1939) |
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| lucijan pelicon SI (b. 1940) |
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| lucijan reščič SI (b. 1946) |
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| lucijan bratuš SI (b. 1949) |
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| lucijan cergol IT (b. 1957) |
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| lucijan valčić Croatian basketball player, HR |
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| lucijan plevnik Ph.D. University of Ljubljana 2014 |
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| lucijan koržinek cyclist |
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| lucijan stella |
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| lucijan tominšek SI |
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Kos, Jordan, Jurić, Vezilj, Frleta, Maslać, Sabljar, Božić, Polajnar, Luketin, Uravić, Španja, Barberić, Pahljina, Jerkovic, Trogrlić, Verbanac, Španić, Cvijetović, Jurišić, Kristovich, Valenčić, Gavran, Martinović, Penić, Katić, Rop, Miš, Raos, Loje, Fajs, Katan, Krnja, Rista, Guzej, Labus, Licul, Lukin, Jovic, Tomac, Novak, Nedin, Horak, Maleš, Mimica, Sekula, Bakula, Kraker, and Konstantinovic