Family name Roncayolo (Roncayolo 
) , in the world, is a very rare last name. The surname Roncayolo is characteristic of Venezuela, where it is a very rare surname, France, and Argentina. Much less frequently, Roncayolo is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Roncayolo | United States, Argentina, France, Peru, Venezuela |
| marcel roncayolo French urban planner and geographer, FR (b. 1926) |
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Raul, Philippe, Patricia, Baptiste, Fabiana, Nicolas, Daniela, Ricardo, Claudia, Carmela, Adriana, Antonio, Damian, Romain, Ramiro, Bonnie, Claude, Carmen, Luis, Jose, Ines, Irma, Maria, Ariel, Alejandro, Paola, Tomas, Marcel, Malena, Silvio, Andres, Carlos, David, and Marie-Florence