Kyro vs Rex

Baby Name Comparison — 2026

Kyro

Boy #644 Most Popular 2 Syllables

"sun, lord"

Origin: Persian/Greek (Kyros)

English American

✓ All Clear

Boy #793 Most Popular 1 Syllable

"king"

Origin: Latin

English Latin American

✓ All Clear

Kyro Rank #644

Rex Rank #793

Kyro is more popular, ranked #644 vs #793 for Rex.

Is Kyro or Rex more popular?

Kyro is more popular, ranked #644 compared to Rex at #793 in the United States.

What do Kyro and Rex mean?

Kyro means "sun, lord" (Persian/Greek (Kyros) origin). Rex means "king" (Latin origin).

Are Kyro and Rex boy or girl names?

Kyro is primarily a boy name. Rex is primarily a boy name.