Caio vs Guy

Baby Name Comparison — 2026

Caio

Boy #3,730 Most Popular 3 Syllables

"to rejoice, to be glad"

Origin: Latin

Brazilian Portuguese Italian Roman

✓ All Clear

Boy #1,562 Most Popular 1 Syllable

"forest"

Origin: Germanic

English French Norman

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Caio Rank #3,730

Guy Rank #1,562

Guy is more popular, ranked #1562 vs #3730 for Caio.

Is Caio or Guy more popular?

Guy is more popular, ranked #1562 compared to Caio at #3730 in the United States.

What do Caio and Guy mean?

Caio means "to rejoice, to be glad" (Latin origin). Guy means "forest" (Germanic origin).

Are Caio and Guy boy or girl names?

Caio is primarily a boy name. Guy is primarily a boy name.