Avi vs Rex

Baby Name Comparison — 2026

Avi

Boy #846 Most Popular 2 Syllables

"father figure, patriarch"

Origin: Hebrew

Hebrew Israeli American Indian

✓ All Clear

Boy #793 Most Popular 1 Syllable

"king"

Origin: Latin

English Latin American

✓ All Clear

Avi Rank #846

Rex Rank #793

Rex is more popular, ranked #793 vs #846 for Avi.

Is Avi or Rex more popular?

Rex is more popular, ranked #793 compared to Avi at #846 in the United States.

What do Avi and Rex mean?

Avi means "father figure, patriarch" (Hebrew origin). Rex means "king" (Latin origin).

Are Avi and Rex boy or girl names?

Avi is primarily a boy name. Rex is primarily a boy name.