Arnoldo vs Caio

Baby Name Comparison — 2026

Arnoldo

Boy #3,750 Most Popular 3 Syllables

"eagle ruler, eagle power"

Origin: Old High German

Italian Spanish Latin American German

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Boy #3,730 Most Popular 3 Syllables

"to rejoice, to be glad"

Origin: Latin

Brazilian Portuguese Italian Roman

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Arnoldo Rank #3,750

Caio Rank #3,730

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

Is Arnoldo or Caio more popular?

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

What do Arnoldo and Caio mean?

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

Are Arnoldo and Caio boy or girl names?

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