Surname Arcà (Arcà 
) , in the world, is a very rare cognomen. The last name Arcà is characteristic of Southern Europe, particularly Italy, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Arcà | Italy |
| francesco arcà Italian politician (1879-1920), IT (b. 1879) |
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| paolo arcà Italian composer, IT (b. 1953) |
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| andrea arcà IT (b. 1957) |
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| bruno arcà researcher ORCID ID = 0000-0002-4029-0984 |
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