Jett vs Kai

Baby Name Comparison — 2026

Jett

Boy #161 Most Popular 1 Syllable

"black gemstone; jet"

Origin: English

American Australian English

✓ All Clear

Boy #76 Most Popular 1 Syllable

"sea"

Origin: Hawaiian

Hawaiian Scandinavian Japanese American Chinese

✓ All Clear

Jett Rank #161

Kai Rank #76

Kai is more popular, ranked #76 vs #161 for Jett.

Is Jett or Kai more popular?

Kai is more popular, ranked #76 compared to Jett at #161 in the United States.

What do Jett and Kai mean?

Jett means "black gemstone; jet" (English origin). Kai means "sea" (Hawaiian origin).

Are Jett and Kai boy or girl names?

Jett is primarily a boy name. Kai is primarily a boy name.