Charlotte vs Rio

Baby Name Comparison — 2026

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

Charlotte Rank #4
Rio Rank #517

Charlotte is more popular, ranked #4 vs #517 for Rio.

Popularity Over Time

Historical US popularity rank — lower number means more popular.

Middle Name Pairings

Charlotte ___

  • Charlotte Rose
  • Charlotte Grace
  • Charlotte Anne
  • Charlotte Elizabeth
  • Charlotte Mae
  • Charlotte Jane

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 Charlotte

Oliver Henry James Olivia Emma

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 Charlotte or Rio more popular?

Charlotte is more popular, ranked #4 compared to Rio at #517 in the United States.

What do Charlotte and Rio mean?

Charlotte means "free woman" (French origin). Rio means "river" (Spanish/Portuguese origin).

Are Charlotte and Rio boy or girl names?

Charlotte is primarily a girl name. Rio is primarily a boy name.

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← Full profile: Charlotte ← Full profile: Rio Browse all baby names