Astro vs Rui

Baby Name Comparison — 2026

Rui

Boy #2,294 Most Popular 2 Syllables

Meaning

"glorious ruler"

Origin: Germanic via Portuguese

Cultural Roots

Portuguese Brazilian Japanese Chinese

Quick Stats

Popularity Rank
#2,294
Total SSA Count
62
Syllables
2
Formality
Moderate
Nicknames
Rui

Playground Safety Score

✓ All Clear
Full profile for Rui →

Popularity Comparison

Astro Rank #2,256
Rui Rank #2,294

Astro is more popular, ranked #2256 vs #2294 for Rui.

Popularity Over Time

Historical US popularity rank — lower number means more popular.

Middle Name Pairings

Astro ___

  • Astro James
  • Astro Cole
  • Astro Kai
  • Astro Leo
  • Astro River
  • Astro Blue

Rui ___

  • Rui Antonio
  • Rui Miguel
  • Rui Carlos
  • Rui Alexandre
  • Rui Haruki
  • Rui Eito

Sibling Name Ideas

Names that pair well as siblings.

If you choose Astro

Luna Orion Nova Cosmos Lyra

If you choose Rui

Ines Ana Diego Mia Sora

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 Astro or Rui more popular?

Astro is more popular, ranked #2256 compared to Rui at #2294 in the United States.

What do Astro and Rui mean?

Astro means "star" (Greek origin). Rui means "glorious ruler" (Germanic via Portuguese origin).

Are Astro and Rui boy or girl names?

Astro is primarily a boy name. Rui is primarily a boy name.

More Comparisons

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← Full profile: Astro ← Full profile: Rui Browse all baby names