Leo vs Arlo

Baby Name Comparison — 2026

Leo

Boy #24 Most Popular 2 Syllables

"lion-hearted, brave"

Origin: Latin

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Boy #146 Most Popular 2 Syllables

"fortified hill"

Origin: Old English

English American Australian

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Leo Rank #24

Arlo Rank #146

Leo is more popular, ranked #24 vs #146 for Arlo.

Is Leo or Arlo more popular?

Leo is more popular, ranked #24 compared to Arlo at #146 in the United States.

What do Leo and Arlo mean?

Leo means "lion-hearted, brave" (Latin origin). Arlo means "fortified hill" (Old English origin).

Are Leo and Arlo boy or girl names?

Leo is primarily a boy name. Arlo is primarily a boy name.