Last name Arrais (رئيس 
, Arrais 
, Arrayz 
) , worldwide, is a common cognomen. The last name Arrais is characteristic of Portugal, where it is quite a rare surname, Brazil, and Morocco, where it is a rare surname. Not in comparison with a country's population, the name is most common in Brazil, Portugal, and Italy. Much less frequently, Arrais is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| رئيس | Iran |
| Arrais | Morocco, Portugal, France, Italy, Brazil |
| Arrayz | Venezuela |
| josé antónio pinto de mendonça arrais Roman Catholic bishop (1746-1822) (b. 1746) |
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luís pinto de mendonça arrais PT (b. 1787) |
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raimundo de monte arrais Brazilian journalist (1882-1965), BR (b. 1882) |
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| tácito alves araújo arrais person identified in the Museu da Pessoa collection, BR (b. 1965) |
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| susana arrais Portuguese actor, PT (b. 1975) |
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| aldo arrais researcher |
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| fatima arrais Belgian performing artist, BE |
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| ricardo corassa arrais researcher (ORCID 0000-0002-2760-3202) |
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| jamina arrais Belgian performing artist, BE |
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| paulo sérgio dourado arrais researcher (ORCID 0000-0002-4502-8467) |
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| rafael arrais researcher |
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| cesar arrais researcher |
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| joel p. arrais researcher |
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| gabriela maia soares messaggi arrais researcher (ORCID 0000-0002-9473-8633) |
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| aline m arrais researcher |
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