Cognomen Arlati (Arlati 
) , in all the world, is quite a rare last name. The surname Arlati is characteristic of Italy, where it is quite a rare surname, Switzerland, where it is a rare surname, and Austria. Measured by absolute frequency, it is commonest in Italy, Brazil, and Austria. Very seldom, Arlati is the forename as well as the last name.
| VARIANT | COUNTRY |
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| Arlati | Austria, Switzerland, Italy, Brazil, Argentina |
| umberto arlati Swiss trumpeter and music educator (1931-2015), CH (b. 1931) |
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| renato arlati Swiss writer (1936-2005), CH (b. 1936) |
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| andrea arlati Italian long-distance runner, IT (b. 1970) |
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| sara arlati researcher ORCID ID = 0000-0001-8092-1499 |
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| camila arlati Brazilian association football player, BR (b. 1997) |
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Mr, Sueli, Sonia, Alice, Angel, Adele, Chico, Carlo, Carla, Catia, Bruna, Katia, Pablo, Paolo, Piera, Dario, David, Laura, Luisa, Luigi, Luzia, Jaime, Santo, Marco, Mario, Maria, Ms, Di, Ana, Leo, Sara, Alex, Anna, Pier, Rosa, Rosy, Julia, Gaia, Luca, Luis, Luiz, Jose, Joao, Enzo, Emma, Ezio, Irma, Yuri, Lino, and Julio