In the world, Ruzena (Ruzena 
, Ружена 
, Рузена ) is quite a rare female first name. The first name Ruzena is characteristic of Eastern Europe, particularly Czechia, where it is quite a rare girly name, Slovakia, and Ukraine, where it is a rare feminine name. In absolute terms, it is commonest in Eastern Europe, particularly Czechia, Ukraine, and Russia. Much less frequently, Ruzena is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Ruzena | United Kingdom, United States, Slovakia, Czechia, Italy |
| Ружена | Russia, Kazakhstan, Bulgaria, Ukraine, Belarus |
| Рузена | Russia |
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ruzena bajcsy American computer scientist, US (b. 1933) |
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| ruzena herlinger Czechoslovak-Canadian classical singer, CZ (b. 1890) |
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| ruzena jindrová (b. 1882) |
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| ruzena polonyova-zaludova Czechoslovak music teacher (1908-1966), CZ (b. 1908) |
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| ruzena danayova SK (b. 1956) |
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| ruzena tkacova researcher |
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| ruzena stranska researcher |
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| ruzena davoodi Dr. rer. nat. Ruhr-Universität Bochum 1987 |
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| ruzena dusíková |
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| ruzena halamkov |
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| ruzena peyrova |
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Laz, Sivakova, Baraniova, Balogova, Kopecká, Kucerova, Gorolova, Lazarova, Juricekova, Nesvadba, Holubova, Karickova, Piskorova, Ruzickova, Dvorakova, Gombarova, Tancosova, Sekaninova, Kristofova, Demeterova, Goldenberg, Lakatosova, Mizigarova, Makulova, Ferkova, Vavrova, Mala, Brar, Tupy, Moore, Banda, Begum, Zatko, Mattor, Mikova, Simova, Horvathova, Bajcsy, Morrill, Muchova, Sevelda, Scukova, Svenhova, Conkova, Pechova, Dankova, Galiano, Lackova, Ginova, and Helebrantova