Kai vs Oliver

Baby Name Comparison — 2026

Kai

Boy #76 Most Popular 1 Syllable

"sea"

Origin: Hawaiian

Hawaiian Scandinavian Japanese American Chinese

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Boy #3 Most Popular 3 Syllables

"olive tree"

Origin: Latin

English French Scandinavian

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Kai Rank #76

Oliver Rank #3

Oliver is more popular, ranked #3 vs #76 for Kai.

Is Kai or Oliver more popular?

Oliver is more popular, ranked #3 compared to Kai at #76 in the United States.

What do Kai and Oliver mean?

Kai means "sea" (Hawaiian origin). Oliver means "olive tree" (Latin origin).

Are Kai and Oliver boy or girl names?

Kai is primarily a boy name. Oliver is primarily a boy name.