Cognomen Sestilio (Sestilio 
) , throughout the world, is a very rare family name. The family name Sestilio is characteristic of Italy, where it is a very rare surname, the United States, where it is an extremely rare surname, and Venezuela. Much more frequently, Sestilio is the forename as well as the last name.
Saba, Rossoni, Giommetti, Crocetti, Balducci, Bellucci, Paciotti, Proietti, Pirrazzo, Dirindelli, Gracioli, Leonardi, Trevelin, Ferretti, Focchesatto, Ippoliti, Caringola, Cecchetti, Cianferra, Barchetta, Benedetti, Boccanera, Pilloni, Amoroso, Artifon, Moretti, Bovo, Pria, Rigo, Gori, Lana, Lupi, Abreu, Calza, Conti, Botti, Burattini, Rossi, Laste, Testa, Fiori, Marchi, Ampese, Biondi, Guisso, Liberi, Nitoglia, Frizon, Galli, and Bianchini