Cognomen Kalász (Klas 
, Kalász 
) , across the world, is quite a rare last name. The last name Kalász is habitual in Suriname, where it is quite a common surname, Slovakia, where it is quite a rare surname, and Czechia. In absolute terms, the name is most common in Germany, Czechia, and Morocco. Likewise, Kalász is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Klas | Germany, Sweden, Czechia, Morocco, Poland |
| Kalász | Hungary |
|
kalász márton writer, poet, translator, educator (1934–2021), HU (b. 1934) |
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kalász istván Hungarian Catholic priest (1943-2017), HU (b. 1943) |
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| kalász lászló Hungarian poet, librarian (1933-1999), HU (b. 1933) |
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| claudia maria kalász (b. 1953) |
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| kalász orsolya Hungarian author and translator (born: 1964), HU (b. 1964) |
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