Rio vs Marcelo

Baby Name Comparison — 2026

Rio

Boy #517 Most Popular 2 Syllables

"river"

Origin: Spanish/Portuguese

Spanish Portuguese Brazilian American

✓ All Clear

Boy #445 Most Popular 3 Syllables

"of Mars, dedicated to Mars"

Origin: Latin (Marcus/Mars)

Spanish Italian Portuguese Latin American

✓ All Clear

Rio Rank #517

Marcelo Rank #445

Marcelo is more popular, ranked #445 vs #517 for Rio.

Is Rio or Marcelo more popular?

Marcelo is more popular, ranked #445 compared to Rio at #517 in the United States.

What do Rio and Marcelo mean?

Rio means "river" (Spanish/Portuguese origin). Marcelo means "of Mars, dedicated to Mars" (Latin (Marcus/Mars) origin).

Are Rio and Marcelo boy or girl names?

Rio is primarily a boy name. Marcelo is primarily a boy name.