Family name Pedro Oswaldo (Pedro Oswaldo 
) , in the world, is an extremely rare cognomen. The surname Pedro Oswaldo is habitual in Latin America and the Caribbean, particularly Chile, where it is a very rare surname. Much more frequently, Pedro Oswaldo is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Pedro Oswaldo | Chile, Peru, Mexico, Ecuador, Spain |
Cruz, Ormeño, Salvador, Palomino, Reategui, Gonzales, Valencia, Valdivia, Rodriguez, Gutierrez, Canteral Franco, Bustamante, Villanueva, Olano Cardenas, Alonzo Lucas, Rosas Aceves, Quiroz Rodea, Manjarrez Ibarra, Molina Alvarado, Polanco Marquez, Vivanco, Vasquez, Ramirez, Beltran, Ruiz, Diaz, Solis, Peña, Ramos, Lopez, Monzon, Chavez, Garcia, Jimenez Aguiar, Torres, Flores, Quispe, Marquez, Sanchez, Salazar, Alvarez, Caceres, Condori, Cuadros, Vargas, and Rodriguez Maldonado