Cognomen Ruaro (Ruaro 
) , all over the world, is quite a rare surname. The surname Ruaro is characteristic of Italy, where it is quite a rare surname, Argentina, where it is a rare surname, and Brazil. Much less frequently, Ruaro is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Ruaro | Italy, Mexico, Philippines, Brazil, Argentina |
| felice ruaro Italian Esperantist, IT (b. 1920) |
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| laura ruaro loseri Italian art historian (1926-1997?), IT (b. 1926) |
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| renata ruaro researcher ORCID ID = 0000-0002-2540-3338 |
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| barbara ruaro researcher (ORCID 0000-0001-8990-859X) |
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Mr, Anna, Anne, Armi, Abel, Adao, Aida, Ayie, Caio, Caue, Celi, Ciro, Keli, Kurt, Kris, Paul, Pete, Pier, Raul, Rosa, Rosi, Rosy, Aldo, Alan, Alex, Sara, Ms, Lo, Mar, Ale, Ana, Ann, Ada, Bea, Ron, Rui, Rene, Rã, Eda, Eva, Fã, Ivo, Ida, Mari, Mary, Mark, Mara, Malu, Jay, and Remy