Surname Ruolo (Ruolo 
) , in the entire world, is a rare cognomen. The last name Ruolo is habitual in Italy, where it is a rare surname, Argentina, where it is a very rare surname, and the United States, where it is an extremely rare surname. Much less frequently, Ruolo is the forename as well as the last name.
Ale, Joseph, Thomas, Franco, Franca, Iacopo, Michela, Suzanne, Stefano, Antonio, Anthony, Arianna, Carmela, Kathryn, Rosanna, Domingo, Gonzalo, Giorgia, Lautaro, Natalia, Heather, Ignacio, Janice, Philip, Cesare, Angela, Alba, Anna, Lisa, Jack, John, Todd, Hugo, Maria, Mario, Marco, Ignacia, Salvo, Janet, Julia, Elena, Ellen, Elsie, Fabio, Frank, Matteo, Monica, Sandra, Pedro, and Marianna