Last name Roasio (Roasio 
) , worldwide, is a rare cognomen. The cognomen Roasio is habitual in Italy, where it is quite a rare surname, Argentina, where it is a rare surname, and Lithuania. Measured by absolute frequency, it is commonest in Italy, Argentina, and Spain. Very seldom, Roasio is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Roasio | Italy, Spain, United States, Argentina, Brazil |
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antonio roasio Italian politician (1902-1986), IT (b. 1902) |
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| maurizio roasio Italian artist, IT (b. 1946) |
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| alessandro roasio Italian association football player, IT |
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| agostino roasio researcher |
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Mr, Olga, Yone, Maria, Mario, Marta, Marco, Maira, Mauro, Mirta, Alice, Angel, Antoo, Anita, Amber, Aurea, Carlo, Carla, Clara, Belen, Paola, Paolo, Ivan, Emir, Enzo, Elio, Ms, Ali, Ana, Ann, Lea, Eva, Sara, Aldo, Anna, Abel, Piero, Pier, Roby, Gina, Leda, Luca, Luis, Jair, Jose, John, Juan, Nora, Raul, and Roque