Last name Aro (Arum 
, Aro 
, アロ 
) , around the globe, is a common cognomen. The last name Aro is characteristic of Finland, where it is quite a common surname, Estonia, and Indonesia (explore the name in all countries). Not in comparison with a country's population, the name is most common in Indonesia, Nigeria, and Philippines. Likewise, Aro is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Arum | Philippines, Brazil, Nigeria, Indonesia, Kenya |
| Aro | Iraq, Philippines, Nigeria, Indonesia, Finland |
| アロ | Japan |
| Аро | Kazakhstan, Armenia, Russia, Ukraine |
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werner aro Finnish politician, FI (b. 1873) |
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toivo aro Finnish diver (1887-1962), FI (b. 1887) |
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ritva aro Finnish actress (1905-1991), FI (b. 1905) |
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aino aro (b. 1897) |
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matti aro FI (b. 1906) |
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olli aro Finnish author, FI (b. 1920) |
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pirkko aro Finnish politician and journalist, FI (b. 1923) |
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| johan emil aro Finnish entomologist (b. 1874) |
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| k. k. aro Finnish provost and civil servant, FI (b. 1876) |
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jussi aro Finnish university teacher (1928-1983), FI (b. 1928) |
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carlos aro Argentine boxer, AR (b. 1939) |
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| toivo aro Finnish politician (1891-1950), FI (b. 1891) |
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| aro stepanian Armenian composer (1897-1966), AZ (b. 1897) |
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| paavo aro Finnish professor (1899-1978), FI (b. 1899) |
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| johannes aro (b. 1890) |
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