Rex vs Neo

Baby Name Comparison — 2026

Rex

Boy #793 Most Popular 1 Syllable

"king"

Origin: Latin

English Latin American

✓ All Clear

Boy #972 Most Popular 2 Syllables

"new"

Origin: Greek neos

American European African Setswana

✓ All Clear

Rex Rank #793

Neo Rank #972

Rex is more popular, ranked #793 vs #972 for Neo.

Is Rex or Neo more popular?

Rex is more popular, ranked #793 compared to Neo at #972 in the United States.

What do Rex and Neo mean?

Rex means "king" (Latin origin). Neo means "new" (Greek neos origin).

Are Rex and Neo boy or girl names?

Rex is primarily a boy name. Neo is primarily a boy name.