Surname Marcos Octavio (Marcos Octavio 
) , throughout the world, is a very rare last name. The last name Marcos Octavio is characteristic of Chile, where it is a rare surname, and Spain, where it is a very rare surname. More prevalently, Marcos Octavio is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Marcos Octavio | Spain, Mexico, Ecuador, Chile, Peru |