Leo vs Kai

Baby Name Comparison — 2026

Leo

Boy #24 Most Popular 2 Syllables

"lion-hearted, brave"

Origin: Latin

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✓ All Clear

Boy #76 Most Popular 1 Syllable

"sea"

Origin: Hawaiian

Hawaiian Scandinavian Japanese American Chinese

✓ All Clear

Leo Rank #24

Kai Rank #76

Leo is more popular, ranked #24 vs #76 for Kai.

Is Leo or Kai more popular?

Leo is more popular, ranked #24 compared to Kai at #76 in the United States.

What do Leo and Kai mean?

Leo means "lion-hearted, brave" (Latin origin). Kai means "sea" (Hawaiian origin).

Are Leo and Kai boy or girl names?

Leo is primarily a boy name. Kai is primarily a boy name.