Worldwide, Julio Oswaldo (Julio Oswaldo 
) is a rare masculine first name. The given name Julio Oswaldo is characteristic of Latin America and the Caribbean, particularly Peru, where it is a rare male name.
| VARIANT | COUNTRY |
|---|---|
| Julio Oswaldo | Chile, Peru, Ecuador, Colombia, Spain |
Silva, Bandenay, Esquivel, Rodriguez, Gutierrez, Fernandez, Molina Vasquez, Aguirre Tianga, Rosas Crespo, Canto Alvarez, Perez Guzman, Delgado Mayeza, Heredia Arias, Flores Gomez, Martinez Malca, Aragon Barrios, Huerta Palacios, Acevedo Ramirez, Castillo, Campaña Jaramillo, Carrasco, Vasquez, Ramos, Rivas, Risco, Lopez, Vivar, Muñoz, Aragon, Castro, Davila, Garcia, Guzman, Farias, Quispe, Cornejo, Paredes, Donayre, Jimenez, Martinez, and Gonzalez Figueroa