Caio vs Arnoldo

Baby Name Comparison — 2026

Caio

Boy #3,730 Most Popular 3 Syllables

"to rejoice, to be glad"

Origin: Latin

Brazilian Portuguese Italian Roman

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Boy #3,750 Most Popular 3 Syllables

"eagle ruler, eagle power"

Origin: Old High German

Italian Spanish Latin American German

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Caio Rank #3,730

Arnoldo Rank #3,750

Caio is more popular, ranked #3730 vs #3750 for Arnoldo.

Is Caio or Arnoldo more popular?

Caio is more popular, ranked #3730 compared to Arnoldo at #3750 in the United States.

What do Caio and Arnoldo mean?

Caio means "to rejoice, to be glad" (Latin origin). Arnoldo means "eagle ruler, eagle power" (Old High German origin).

Are Caio and Arnoldo boy or girl names?

Caio is primarily a boy name. Arnoldo is primarily a boy name.