Orion vs Rio

Baby Name Comparison — 2026

Orion

Boy #326 Most Popular 3 Syllables

Meaning

"rising in the sky, boundary"

Origin: Greek

Cultural Roots

English American Greek

Quick Stats

Popularity Rank
#326
Total SSA Count
1,061
Syllables
3
Formality
Moderate
Nicknames
Ori, Rion

Playground Safety Score

✓ All Clear
Full profile for Orion →

Rio

Boy #517 Most Popular 2 Syllables

Meaning

"river"

Origin: Spanish/Portuguese

Cultural Roots

Spanish Portuguese Brazilian American

Quick Stats

Popularity Rank
#517
Total SSA Count
591
Syllables
2
Formality
Casual

Playground Safety Score

✓ All Clear
Full profile for Rio →

Popularity Comparison

Orion Rank #326
Rio Rank #517

Orion is more popular, ranked #326 vs #517 for Rio.

Popularity Over Time

Historical US popularity rank — lower number means more popular.

Middle Name Pairings

Orion ___

  • Orion James
  • Orion Alexander
  • Orion Cole
  • Orion Blake
  • Orion Reid

Rio ___

  • Rio James
  • Rio Alexander
  • Rio Sebastian
  • Rio Marcus
  • Rio Cruz
  • Rio Blue

Sibling Name Ideas

Names that pair well as siblings.

If you choose Orion

Atlas Perseus Cassian Lyra Aurora

If you choose Rio

Finn Kai Luna Isla Milo

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 Orion or Rio more popular?

Orion is more popular, ranked #326 compared to Rio at #517 in the United States.

What do Orion and Rio mean?

Orion means "rising in the sky, boundary" (Greek origin). Rio means "river" (Spanish/Portuguese origin).

Are Orion and Rio boy or girl names?

Orion is primarily a boy name. Rio is primarily a boy name.

More Comparisons

Rio vs Orion Orion vs Callum Orion vs Cohen Orion vs Rowen Orion vs Warren
← Full profile: Orion ← Full profile: Rio Browse all baby names