Kai vs Kaiden

Baby Name Comparison — 2026

Kai

Boy #76 Most Popular 1 Syllable

"sea"

Origin: Hawaiian

Hawaiian Scandinavian Japanese American Chinese

✓ All Clear

Boy #207 Most Popular 2 Syllables

"little fire"

Origin: Old Irish (Aodhán)

American English

✓ All Clear

Kai Rank #76

Kaiden Rank #207

Kai is more popular, ranked #76 vs #207 for Kaiden.

Is Kai or Kaiden more popular?

Kai is more popular, ranked #76 compared to Kaiden at #207 in the United States.

What do Kai and Kaiden mean?

Kai means "sea" (Hawaiian origin). Kaiden means "little fire" (Old Irish (Aodhán) origin).

Are Kai and Kaiden boy or girl names?

Kai is primarily a boy name. Kaiden is primarily a boy name.