Worldwide, مارسيو (Marcio 
, Márcio 
, مارسيو) is a widespread male given name. The forename مارسيو is habitual in Brazil, where it is a common male name, Cabo Verde, where it is quite a common male name, and Portugal (explore the name in all countries). Not in comparison with a country's population, it is commonest in Brazil, Angola, and Portugal. Very seldom, مارسيو is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Marcio | Paraguay, Angola, Brazil, Honduras, Portugal |
| Márcio | Angola, Mozambique, Brazil, United States, Portugal |