Rey vs Rex

Baby Name Comparison — 2026

Rey

Boy #823 Most Popular 1 Syllable

"king"

Origin: Spanish

Spanish Latin American American

✓ All Clear

Boy #793 Most Popular 1 Syllable

"king"

Origin: Latin

English Latin American

✓ All Clear

Rey Rank #823

Rex Rank #793

Rex is more popular, ranked #793 vs #823 for Rey.

Is Rey or Rex more popular?

Rex is more popular, ranked #793 compared to Rey at #823 in the United States.

What do Rey and Rex mean?

Rey means "king" (Spanish origin). Rex means "king" (Latin origin).

Are Rey and Rex boy or girl names?

Rey is primarily a boy name. Rex is primarily a boy name.