Arlo vs Kai

Baby Name Comparison — 2026

Arlo

Boy #146 Most Popular 2 Syllables

"fortified hill"

Origin: Old English

English American Australian

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Boy #76 Most Popular 1 Syllable

"sea"

Origin: Hawaiian

Hawaiian Scandinavian Japanese American Chinese

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Arlo Rank #146

Kai Rank #76

Kai is more popular, ranked #76 vs #146 for Arlo.

Is Arlo or Kai more popular?

Kai is more popular, ranked #76 compared to Arlo at #146 in the United States.

What do Arlo and Kai mean?

Arlo means "fortified hill" (Old English origin). Kai means "sea" (Hawaiian origin).

Are Arlo and Kai boy or girl names?

Arlo is primarily a boy name. Kai is primarily a boy name.