Surname Maximo Oswaldo (Maximo Oswaldo 
) , across the world, is an extremely rare cognomen. Predominantly, Maximo Oswaldo is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Maximo Oswaldo | Spain, Peru, Ecuador |
Aldana, Rivera Montaño, Sanchez Carrasco, and Espinoza Aguilar