Riku vs Theodore

Baby Name Comparison — 2026

Riku

Boy #4,341 Most Popular 2 Syllables

Meaning

"strength, power"

Origin: Japanese

Cultural Roots

Japanese Finnish

Quick Stats

Popularity Rank
#4,341
Total SSA Count
24
Syllables
2
Formality
Moderate
Nicknames
Ri

Playground Safety Score

✓ All Clear
Full profile for Riku →

Popularity Comparison

Riku Rank #4,341
Theodore Rank #4

Theodore is more popular, ranked #4 vs #4341 for Riku.

Popularity Over Time

Historical US popularity rank — lower number means more popular.

Middle Name Pairings

Riku ___

  • Riku James
  • Riku Cole
  • Riku Alexander
  • Riku Thomas
  • Riku Kai
  • Riku Jun

Theodore ___

  • Theodore James
  • Theodore William
  • Theodore Alexander
  • Theodore John
  • Theodore Henry
  • Theodore Arthur

Sibling Name Ideas

Names that pair well as siblings.

If you choose Riku

Kai Hana Sora Yuki Nao

If you choose Theodore

Olivia Charlotte Amelia Eleanor Oliver

Which Name Fits Your Family?

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1. Which style feels more like your family?

Frequently Asked Questions

Is Riku or Theodore more popular?

Theodore is more popular, ranked #4 compared to Riku at #4341 in the United States.

What do Riku and Theodore mean?

Riku means "strength, power" (Japanese origin). Theodore means "divine gift" (Greek origin).

Are Riku and Theodore boy or girl names?

Riku is primarily a boy name. Theodore is primarily a boy name.

More Comparisons

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← Full profile: Riku ← Full profile: Theodore Browse all baby names