Koji vs Noah

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 →

Noah

Boy #2 Most Popular 2 Syllables

Meaning

"motion, wandering"

Origin: Hebrew

Cultural Roots

Hebrew English Christian

Quick Stats

Popularity Rank
#2
Total SSA Count
20,337
Syllables
2
Formality
Moderate

Playground Safety Score

✓ All Clear
Full profile for Noah →

Popularity Comparison

Koji Rank #4,251
Noah Rank #2

Noah is more popular, ranked #2 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

Noah ___

  • Noah James
  • Noah Alexander
  • Noah William
  • Noah Thomas
  • Noah Oliver
  • Noah Henry

Sibling Name Ideas

Names that pair well as siblings.

If you choose Koji

Hana Yuki Kenji Riku Saki

If you choose Noah

Olivia Emma Sophia Liam Elijah

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 Koji or Noah more popular?

Noah is more popular, ranked #2 compared to Koji at #4251 in the United States.

What do Koji and Noah mean?

Koji means "luminous second son" (Japanese ko (light) and ji (second son) origin). Noah means "motion, wandering" (Hebrew origin).

Are Koji and Noah boy or girl names?

Koji is primarily a boy name. Noah is primarily a boy name.

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