Pietro vs Caio

Baby Name Comparison — 2026

Pietro

Boy #3,599 Most Popular 2 Syllables

"rock, stone"

Origin: Greek/Latin

Italian Latin Catholic European

✓ All Clear

Boy #3,730 Most Popular 3 Syllables

"to rejoice, to be glad"

Origin: Latin

Brazilian Portuguese Italian Roman

✓ All Clear

Pietro Rank #3,599

Caio Rank #3,730

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

Is Pietro or Caio more popular?

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

What do Pietro and Caio mean?

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

Are Pietro and Caio boy or girl names?

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