Kai vs Kayden

Baby Name Comparison — 2026

Kai

Boy #76 Most Popular 1 Syllable

"sea"

Origin: Hawaiian

Hawaiian Scandinavian Japanese American Chinese

✓ All Clear

Boy #125 Most Popular 2 Syllables

"battle, companion"

Origin: Arabic (Qaydan)

American

✓ All Clear

Kai Rank #76

Kayden Rank #125

Kai is more popular, ranked #76 vs #125 for Kayden.

Is Kai or Kayden more popular?

Kai is more popular, ranked #76 compared to Kayden at #125 in the United States.

What do Kai and Kayden mean?

Kai means "sea" (Hawaiian origin). Kayden means "battle, companion" (Arabic (Qaydan) origin).

Are Kai and Kayden boy or girl names?

Kai is primarily a boy name. Kayden is primarily a boy name.