In all the world, Isaac Marcelino (Isaac Marcelino 
) is a very rare male first name. The forename Isaac Marcelino is characteristic of Latin America and the Caribbean, particularly Peru, where it is a very rare boy's name. Very seldom, Isaac Marcelino is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Isaac Marcelino | Peru, Brazil, Chile, Mexico, Ecuador |