Surname Oscar Ricardo (Oscar Ricardo 
) , all over the world, is a rare family name. The cognomen Oscar Ricardo is habitual in Chile, where it is quite a rare surname, and Spain, where it is a rare surname. More prevalently, Oscar Ricardo is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Oscar Ricardo | Costa Rica, Paraguay, Chile, Ecuador, Peru |
Cruz, Flores, Morales, Sanchez, Alvarez, Ramirez, Jimenez, Herrera, Vasquez, Martinez, Alvarado, Carrasco, Cardenas, Castillo, Gonzalez, Espinoza, Orellana, Contreras, Benavides, Rodriguez, Gutierrez, Hernandez, Vargas, Nuñez, Torres, Guzman, Rios, Diaz, Leon, Vera, Vega, Silva, Araya, Arias, Bravo, Perez, Fernandez, Rojas, Godoy, Goñi, Lopez, Tapia, Muñoz, Castro, Romero, Rivera, Donoso, Garcia, Gomez, and Feliz Ramirez