In the world, Česlovas (Česlovas 
, Чесловас 
) is a rare male first name. The given name Česlovas is habitual in Lithuania, where it is quite a rare masculine name, Kazakhstan, where it is a rare male name, and Russia, where it is a very rare boy's name.
| VARIANT | COUNTRY |
|---|---|
| Česlovas | Lithuania |
| Чесловас | Kazakhstan, Russia, Ukraine, Belarus |
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česlovas liandsbergis RU (b. 1869) |
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česlovas grincevičius Lithuanian writer, LT (b. 1913) |
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| česlovas chmielevskis LT (b. 1867) |
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| česlovas petraškevičius politician, LT (b. 1886) |
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česlovas vytautas stankevičius Lithuanian politician, LT (b. 1937) |
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česlovas juršėnas Lithuanian politician, LT (b. 1938) |
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česlovas mazūras LT (b. 1942) |
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| česlovas kontrimas Lithuanian painter (1902-1989), LT (b. 1902) |
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| česlovas butkys (b. 1894) |
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| česlovas gedgaudas Lithuanian diplomat, translator, and polyglot, LT (b. 1909) |
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| česlovas januškevičius (b. 1901) |
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| česlovas masaitis Lithuanian mathematician, LT (b. 1912) |
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| česlovas liutikas LT (b. 1903) |
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| česlovas daukša Lithuanian basketball player, LT (b. 1916) |
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| česlovas janušas LT (b. 1907) |
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Blažys, Ceslovas, Gulbickas, Čičinis, Markevičius, Ratkevičius, Grajevskis, and Matulevičius