Caio vs Pietro

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 #3,599 Most Popular 2 Syllables

"rock, stone"

Origin: Greek/Latin

Italian Latin Catholic European

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Caio Rank #3,730

Pietro Rank #3,599

Pietro is more popular, ranked #3599 vs #3730 for Caio.

Is Caio or Pietro more popular?

Pietro is more popular, ranked #3599 compared to Caio at #3730 in the United States.

What do Caio and Pietro mean?

Caio means "to rejoice, to be glad" (Latin origin). Pietro means "rock, stone" (Greek/Latin origin).

Are Caio and Pietro boy or girl names?

Caio is primarily a boy name. Pietro is primarily a boy name.