Karl vs Reiko

Baby Name Comparison — 2026

Karl

Boy #1,684 Most Popular 1 Syllable

Meaning

"free man, strong man"

Origin: Old High German

Cultural Roots

German Scandinavian Austrian Swedish Norwegian

Quick Stats

Popularity Rank
#1,684
Total SSA Count
99
Syllables
1
Formality
Formal

Playground Safety Score

✓ All Clear
Full profile for Karl →

Popularity Comparison

Karl Rank #1,684
Reiko Rank #13,651

Karl is more popular, ranked #1684 vs #13651 for Reiko.

Popularity Over Time

Historical US popularity rank — lower number means more popular.

Middle Name Pairings

Karl ___

  • Karl Friedrich
  • Karl Heinrich
  • Karl Magnus
  • Karl Erik
  • Karl Gunnar
  • Karl Lars

Reiko ___

No pairings available yet.

Sibling Name Ideas

Names that pair well as siblings.

If you choose Karl

Hans Brigitte Ingrid Heinz Erika

If you choose Reiko

No sibling data available yet.

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 Karl or Reiko more popular?

Karl is more popular, ranked #1684 compared to Reiko at #13651 in the United States.

What do Karl and Reiko mean?

Karl means "free man, strong man" (Old High German origin).

Are Karl and Reiko boy or girl names?

Karl is primarily a boy name. Reiko is primarily a girl name.

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← Full profile: Karl ← Full profile: Reiko Browse all baby names