Jett vs Kai

Baby Name Comparison — 2026

Kai

Boy #76 Most Popular 1 Syllable

Meaning

"sea"

Origin: Hawaiian

Cultural Roots

Hawaiian Scandinavian Japanese American Chinese

Quick Stats

Popularity Rank
#76
Total SSA Count
4,276
Syllables
1
Formality
Casual

Playground Safety Score

✓ All Clear
Full profile for Kai →

Popularity Comparison

Jett Rank #161
Kai Rank #76

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

Popularity Over Time

Historical US popularity rank — lower number means more popular.

Middle Name Pairings

Jett ___

  • Jett James
  • Jett Alexander
  • Jett Michael
  • Jett William
  • Jett Thomas
  • Jett Lee

Kai ___

  • Kai James
  • Kai Alexander
  • Kai Michael
  • Kai Robert
  • Kai William
  • Kai Thomas

Sibling Name Ideas

Names that pair well as siblings.

If you choose Jett

Cruz Zara Knox Mila Ace

If you choose Kai

Zara Nova Mila Leo Finn

Which Name Fits Your Family?

Answer 3 quick questions and we'll help you decide.

1. Which style feels more like your family?

Frequently Asked Questions

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.

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← Full profile: Jett ← Full profile: Kai Browse all baby names