Last name Šlais (Šlais 
) , across the world, is a very rare surname. The last name Šlais is characteristic of Czechia, where it is a rare surname, and Croatia.
| VARIANT | COUNTRY |
|---|---|
| Šlais | Croatia, Czechia |
| josef šlais (b. 1876) |
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| ružena šlais Czech pianist, CZ (b. 1888) |
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| jan šlais CZ (b. 1893) |
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| matěj jiří šlais (b. 1896) |
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| václav šlais (b. 1913) |
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| jaroslav šlais CZ (b. 1922) |
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| zdeněk šlais CZ (b. 1946) |
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| martin šlais (b. 1976) |
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| miroslav šlais (b. 1981) |
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