Justin vs Kai

Baby Name Comparison — 2026

Justin

Boy #199 Most Popular 2 Syllables

"just, righteous"

Origin: Latin

English American French Scandinavian

✓ All Clear

Boy #76 Most Popular 1 Syllable

"sea"

Origin: Hawaiian

Hawaiian Scandinavian Japanese American Chinese

✓ All Clear

Justin Rank #199

Kai Rank #76

Kai is more popular, ranked #76 vs #199 for Justin.

Is Justin or Kai more popular?

Kai is more popular, ranked #76 compared to Justin at #199 in the United States.

What do Justin and Kai mean?

Justin means "just, righteous" (Latin origin). Kai means "sea" (Hawaiian origin).

Are Justin and Kai boy or girl names?

Justin is primarily a boy name. Kai is primarily a boy name.