In all the world, Marco Gerardo (Marco Gerardo 
) is a very rare boy's forename. The given name Marco Gerardo is characteristic of Latin America and the Caribbean, particularly Costa Rica, where it is a rare male name, Chile, and Peru, where it is a very rare male name. Much less frequently, Marco Gerardo is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Marco Gerardo | Peru, Spain, Chile, Ecuador, Costa Rica |