Surname Oscar Octavio (Oscar Octavio 
) , across the world, is a rare cognomen. The surname Oscar Octavio is characteristic of Latin America and the Caribbean, particularly Chile, where it is a rare surname. More prevalently, Oscar Octavio is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Oscar Octavio | Chile, Peru, Bolivia, Mexico, Ecuador |
Mora, Orozco, Zelaya, Morales, Mendoza, Sanchez, Salazar, Salinas, Aguilar, Cabello, Catalan, Poblete, Ramirez, Garrido, Gajardo, Escobar, Herrera, Vallejo, Vasquez, Carrasco, Gonzalez, Rodriguez, Ortega, Ibarra, Flores, Vargas, Soto, Ruiz, Diaz, Marin, Barra, Perez, Rojas, Reyes, Tello, Vidal, Hernandez, Ortiz, Moguel, Medina, Muñoz, Castro, Burgos, Blanco, Garcia, Torres, Nuñez, Valdes, Uribe, and Perez Fuentes