Akio vs Koji

Baby Name Comparison — 2026

Akio

Boy #4,083 Most Popular 3 Syllables

Meaning

"luminous hero"

Origin: Japanese

Cultural Roots

Japanese Japanese-American Asian

Quick Stats

Popularity Rank
#4,083
Total SSA Count
26
Syllables
3
Formality
Formal
Nicknames
Aki

Playground Safety Score

✓ All Clear
Full profile for Akio →

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

Akio Rank #4,083
Koji Rank #4,251

Akio is more popular, ranked #4083 vs #4251 for Koji.

Popularity Over Time

Historical US popularity rank — lower number means more popular.

Middle Name Pairings

Akio ___

  • Akio James
  • Akio Kai
  • Akio Lee
  • Akio Ren
  • Akio Hiroshi
  • Akio Taro

Koji ___

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

Sibling Name Ideas

Names that pair well as siblings.

If you choose Akio

Hiroshi Kenji Yuki Hana Sakura

If you choose Koji

Hana Yuki Kenji Riku Saki

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 Akio or Koji more popular?

Akio is more popular, ranked #4083 compared to Koji at #4251 in the United States.

What do Akio and Koji mean?

Akio means "luminous hero" (Japanese origin). Koji means "luminous second son" (Japanese ko (light) and ji (second son) origin).

Are Akio and Koji boy or girl names?

Akio is primarily a boy name. Koji is primarily a boy name.

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