Kai vs Oliver

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

Kai Rank #76
Oliver Rank #3

Oliver is more popular, ranked #3 vs #76 for Kai.

Popularity Over Time

Historical US popularity rank — lower number means more popular.

Middle Name Pairings

Kai ___

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

Oliver ___

  • Oliver James
  • Oliver Thomas
  • Oliver William
  • Oliver Henry
  • Oliver John
  • Oliver Benjamin

Sibling Name Ideas

Names that pair well as siblings.

If you choose Kai

Zara Nova Mila Leo Finn

If you choose Oliver

Olivia Charlotte Emma Sophia Amelia

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 Kai or Oliver more popular?

Oliver is more popular, ranked #3 compared to Kai at #76 in the United States.

What do Kai and Oliver mean?

Kai means "sea" (Hawaiian origin). Oliver means "olive tree" (Latin origin).

Are Kai and Oliver boy or girl names?

Kai is primarily a boy name. Oliver is primarily a boy name.

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