Surname Juan Oscar (Juan Oscar 
) , throughout the world, is a rare family name. The cognomen Juan Oscar is characteristic of Chile, where it is quite a rare surname, and Spain, where it is a rare surname. More prevalently, Juan Oscar is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Juan Oscar | Spain, Bolivia, Chile, Cuba, Peru |
Moya, Flores, Quiroz, Quispe, Morales, Mendoza, Miranda, Sanchez, Salazar, Aguilar, Aguirre, Ramirez, Jimenez, Herrera, Huamani, Zuñiga, Martinez, Sandoval, Castillo, Guerrero, Gonzalez, Rodriguez, Vargas, Huaman, Nuñez, Torres, Soto, Diaz, Vera, Vega, Silva, Ramos, Rojas, Reyes, Gomez, Lopez, Gutierrez, Vilca, Mamani, Molina, Medina, Muñoz, Chavez, Cortes, Romero, Garcia, Galvez, Guzman, Ulloa, and Fernandez