Throughout the world, Martin Oscar (Martin Oscar 
) is a rare masculine forename. The given name Martin Oscar is habitual in Latin America and the Caribbean, particularly Peru, where it is a rare masculine name, Argentina, where it is a very rare male name, and Chile. Much less frequently, Martin Oscar is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Martin Oscar | Peru, Argentina, Chile, Mexico, Ecuador |