Kai vs Luka

Baby Name Comparison — 2026

Kai

Boy #76 Most Popular 1 Syllable

"sea"

Origin: Hawaiian

Hawaiian Scandinavian Japanese American Chinese

✓ All Clear

Boy #94 Most Popular 2 Syllables

"light, illumination"

Origin: Latin (Lucius)

Croatian Italian Slavic German American

✓ All Clear

Kai Rank #76

Luka Rank #94

Kai is more popular, ranked #76 vs #94 for Luka.

Is Kai or Luka more popular?

Kai is more popular, ranked #76 compared to Luka at #94 in the United States.

What do Kai and Luka mean?

Kai means "sea" (Hawaiian origin). Luka means "light, illumination" (Latin (Lucius) origin).

Are Kai and Luka boy or girl names?

Kai is primarily a boy name. Luka is primarily a boy name.