Quick answer
Marcelo is a boy name.
Pronunciation: European Spanish /maɾ.ˈθe.lo/; Latin American Spanish /maɾ.ˈse.lo/; European Portuguese /mɐɾ.ˈsɛ.lu/; Brazilian Portuguese /mɐh.ˈsɛ.lu/.
Meaning and history
Spanish and Portuguese form of Marcellus.
Notes and context
Usage: spanish, portuguese