Guy vs Caio

Baby Name Comparison — 2026

Guy

Boy #1,562 Most Popular 1 Syllable

"forest"

Origin: Germanic

English French Norman

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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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Guy Rank #1,562

Caio Rank #3,730

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

Is Guy or Caio more popular?

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

What do Guy and Caio mean?

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

Are Guy and Caio boy or girl names?

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