Cognomen Šulaj (Šulaj 
, Шулай 
) , all around the world, is a very rare family name. The last name Šulaj is characteristic of Eastern Europe, particularly Slovakia, where it is a rare surname, Ukraine, where it is a very rare surname, and Russia, where it is an extremely rare surname.
| ondrej šulaj Slovak cineast and screenwriter, SK (b. 1949) |
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| igor šulaj politician, SK (b. 1963) |
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| tomáš šulaj CZ (b. 1976) |
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