Koji vs Oliver

Baby Name Comparison — 2026

Koji

Boy #4,251 Most Popular 2 Syllables

Meaning

"luminous second son"

Origin: Japanese ko (light) and ji (second son)

Cultural Roots

Japanese

Quick Stats

Popularity Rank
#4,251
Total SSA Count
25
Syllables
2
Formality
Moderate
Nicknames
Ko

Playground Safety Score

✓ All Clear
Full profile for Koji →

Popularity Comparison

Koji Rank #4,251
Oliver Rank #3

Oliver is more popular, ranked #3 vs #4251 for Koji.

Popularity Over Time

Historical US popularity rank — lower number means more popular.

Middle Name Pairings

Koji ___

  • Koji James
  • Koji Alexander
  • Koji Lee
  • Koji Ren
  • Koji Kai
  • Koji Rio

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 Koji

Hana Yuki Kenji Riku Saki

If you choose Oliver

Olivia Charlotte Emma Sophia Amelia

Which Name Fits Your Family?

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1. Which style feels more like your family?

Frequently Asked Questions

Is Koji or Oliver more popular?

Oliver is more popular, ranked #3 compared to Koji at #4251 in the United States.

What do Koji and Oliver mean?

Koji means "luminous second son" (Japanese ko (light) and ji (second son) origin). Oliver means "olive tree" (Latin origin).

Are Koji and Oliver boy or girl names?

Koji is primarily a boy name. Oliver is primarily a boy name.

More Comparisons

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