Kai vs Walter

Baby Name Comparison — 2026

Kai

Boy #76 Most Popular 1 Syllable

"sea"

Origin: Hawaiian

Hawaiian Scandinavian Japanese American Chinese

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Boy #271 Most Popular 2 Syllables

"ruler of the army"

Origin: Old High German

English German Scandinavian Dutch

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Kai Rank #76

Walter Rank #271

Kai is more popular, ranked #76 vs #271 for Walter.

Is Kai or Walter more popular?

Kai is more popular, ranked #76 compared to Walter at #271 in the United States.

What do Kai and Walter mean?

Kai means "sea" (Hawaiian origin). Walter means "ruler of the army" (Old High German origin).

Are Kai and Walter boy or girl names?

Kai is primarily a boy name. Walter is primarily a boy name.