Colin vs Rio

Baby Name Comparison — 2026

Colin

Boy #335 Most Popular 2 Syllables

"young dog, whelp"

Origin: Irish/Scottish Gaelic

English Irish Scottish American

✓ All Clear

Boy #517 Most Popular 2 Syllables

"river"

Origin: Spanish/Portuguese

Spanish Portuguese Brazilian American

✓ All Clear

Colin Rank #335

Rio Rank #517

Colin is more popular, ranked #335 vs #517 for Rio.

Is Colin or Rio more popular?

Colin is more popular, ranked #335 compared to Rio at #517 in the United States.

What do Colin and Rio mean?

Colin means "young dog, whelp" (Irish/Scottish Gaelic origin). Rio means "river" (Spanish/Portuguese origin).

Are Colin and Rio boy or girl names?

Colin is primarily a boy name. Rio is primarily a boy name.