Rio vs Cairo

Baby Name Comparison — 2026

Rio

Boy #517 Most Popular 2 Syllables

"river"

Origin: Spanish/Portuguese

Spanish Portuguese Brazilian American

✓ All Clear

Boy #356 Most Popular 2 Syllables

"the victorious (Arabic city name)"

Origin: Arabic (Al-Qahira)

American

✓ All Clear

Rio Rank #517

Cairo Rank #356

Cairo is more popular, ranked #356 vs #517 for Rio.

Is Rio or Cairo more popular?

Cairo is more popular, ranked #356 compared to Rio at #517 in the United States.

What do Rio and Cairo mean?

Rio means "river" (Spanish/Portuguese origin). Cairo means "the victorious (Arabic city name)" (Arabic (Al-Qahira) origin).

Are Rio and Cairo boy or girl names?

Rio is primarily a boy name. Cairo is primarily a boy name.