Cognomen مارسيو (Marcio 
, Márcio 
, مارسيو) , worldwide, is a common surname. The last name مارسيو is habitual in Honduras, where it is quite a common surname, Nicaragua, and Angola, where it is quite a rare surname. Measured by absolute frequency, the name is most common in Honduras, Brazil, and Angola. Much more frequently, مارسيو is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Marcio | Paraguay, Angola, Brazil, Honduras, Portugal |
| Márcio | Angola, Mozambique, Brazil, United States, Portugal |