Cognomen Malus (Malus 
, Малус 
, مالس) , across the world, is quite a rare family name. The last name Malus is habitual in Slovenia, where it is quite a rare surname, Croatia, and Slovakia. Measured by absolute frequency, the name is most common in Slovenia, Czechia, and Slovakia. Also, Malus is the forename as well as the last name.
| VARIANT | COUNTRY |
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| Malus | Czechia, Poland, Slovakia, Slovenia, Croatia |
| Малус | Kyrgyzstan, Russia, Ukraine |
| Malvagio | Italy |
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étienne louis malus French officer, engineer, physicist, and mathematician (1775-1812), FR (b. 1775) |
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| antoine malus de montarcy French politician, FR (b. 1736) |
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| françois malus FR (b. 1737) |
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| meta malus Slovene astrologer (1952-2013), SI (b. 1952) |
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| chantal marie malus French politician, FR (b. 1958) |
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| jérôme malus French politician, FR (b. 1974) |
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| goran malus actor, HR (b. 1974) |
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| jonah malus Papua New Guinean footballer |
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| blanka malus SI |
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| miha malus |
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| andreja malus SI |
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| jaka malus Slovenian handball player, SI (b. 1996) |
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