Last name De Roia (De Roia 
) , in all the world, is a rare surname. The surname De Roia is characteristic of Argentina, where it is a rare surname, Italy, and Australia, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| De Roia | Australia, Italy, Canada, United States, Argentina |
Ana, Oliver, Mariana, Stefano, Antonia, Adelchi, Daniela, Daniele, Liliana, Lorenzo, Lourdes, Natalia, Eduardo, Osvaldo, Octavio, Cristina, Patricia, Gabriela, Giovanni, Leonardo, Norberto, Fernando, Hector, Nelida, Lorena, Carlos, Raul, Dina, Luis, Juan, Mario, Mauro, Sarah, Sezza, Cesar, Pablo, Alejandro, David, Laura, Luisa, Oscar, Mariel, Miriam, Sandra, Silvia, Sergio, Andrea, Cheryl, Diego, and Christian