What Does the Name Marcelo Mean?
Marcelo is a boy's name of Spanish/Portuguese (from Latin) origin meaning “little Marcus / of Mars.”
Updated June 2026
| Name | Marcelo |
|---|---|
| Gender | male |
| Origin | Spanish/Portuguese (from Latin) |
| Meaning | little Marcus / of Mars |
| Variants | Marcellus, Marcel, Marcello, Marcelino |
| Popularity | Widely used in Brazil, Spain, and Spanish-speaking Latin America, particularly Argentina and Chile. |
The meaning and origin of Marcelo
The name Marcelo means “little Marcus / of Mars” and has Spanish/Portuguese (from Latin) origins. Marcelo is the Spanish and Portuguese form of Marcellus, a Roman diminutive of Marcus, which derives from the name of the god Mars. The name has been borne by several saints and popes (as Marcellus).
Variants and related names
Marcelo is related to several other names you may recognize: Marcellus, Marcel, Marcello, Marcelino. These share a common root or are spelling and language variants of the same name.
How popular is the name Marcelo?
Widely used in Brazil, Spain, and Spanish-speaking Latin America, particularly Argentina and Chile.
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Open the name generator →Frequently asked questions
What does the name Marcelo mean?+
The name Marcelo means “little Marcus / of Mars” and is of Spanish/Portuguese (from Latin) origin.
What is the origin of the name Marcelo?+
Marcelo originates from Spanish/Portuguese (from Latin).
Is Marcelo a popular name?+
Yes — see the popularity note above for how Marcelo has trended in the US over time.
Marcelo by gender
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Sources
- Behind the Name — Etymology and history of first names — Behind the Name
- US Social Security Administration — Popular baby names by year — Social Security Administration
- A Dictionary of First Names — Oxford Reference — Oxford University Press