Rio vs Colby

Baby Name Comparison — 2026

Rio

Boy #517 Most Popular 2 Syllables

"river"

Origin: Spanish/Portuguese

Spanish Portuguese Brazilian American

✓ All Clear

Boy #582 Most Popular 2 Syllables

"dark man's settlement, coal-black farm"

Origin: Old Norse

English American Scandinavian

✓ All Clear

Rio Rank #517

Colby Rank #582

Rio is more popular, ranked #517 vs #582 for Colby.

Is Rio or Colby more popular?

Rio is more popular, ranked #517 compared to Colby at #582 in the United States.

What do Rio and Colby mean?

Rio means "river" (Spanish/Portuguese origin). Colby means "dark man's settlement, coal-black farm" (Old Norse origin).

Are Rio and Colby boy or girl names?

Rio is primarily a boy name. Colby is primarily a boy name.