Riku vs Theodore

Baby Name Comparison — 2026

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?

Answer 3 quick questions and we'll help you decide.

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

Theodore vs Riku Riku vs Aithan Riku vs Swayde Riku vs Ladarius Riku vs Nabeel
← Full profile: Riku ← Full profile: Theodore Browse all baby names