Cal vs Rio

Baby Name Comparison — 2026

Cal

Boy #671 Most Popular 1 Syllable

"bald (short for Calvin from Latin Calvinus)"

Origin: Latin

American English Scottish

✓ All Clear

Boy #517 Most Popular 2 Syllables

"river"

Origin: Spanish/Portuguese

Spanish Portuguese Brazilian American

✓ All Clear

Cal Rank #671

Rio Rank #517

Rio is more popular, ranked #517 vs #671 for Cal.

Is Cal or Rio more popular?

Rio is more popular, ranked #517 compared to Cal at #671 in the United States.

What do Cal and Rio mean?

Cal means "bald (short for Calvin from Latin Calvinus)" (Latin origin). Rio means "river" (Spanish/Portuguese origin).

Are Cal and Rio boy or girl names?

Cal is primarily a boy name. Rio is primarily a boy name.