Antonino vs Caio

Baby Name Comparison — 2026

Antonino

Boy #3,901 Most Popular 4 Syllables

Meaning

"priceless, invaluable (from Antonius family name)"

Origin: Latin

Cultural Roots

Italian Spanish Sicilian Catholic

Quick Stats

Popularity Rank
#3,901
Total SSA Count
28
Syllables
4
Formality
Formal
Nicknames
Tino, Nino, Tony

Playground Safety Score

✓ All Clear
Full profile for Antonino →

Caio

Boy #3,730 Most Popular 3 Syllables

Meaning

"to rejoice, to be glad"

Origin: Latin

Cultural Roots

Brazilian Portuguese Italian Roman

Quick Stats

Popularity Rank
#3,730
Total SSA Count
30
Syllables
3
Formality
Moderate
Nicknames
Kai, Ca

Playground Safety Score

✓ All Clear
Full profile for Caio →

Popularity Comparison

Antonino Rank #3,901
Caio Rank #3,730

Caio is more popular, ranked #3730 vs #3901 for Antonino.

Popularity Over Time

Historical US popularity rank — lower number means more popular.

Middle Name Pairings

Antonino ___

  • Antonino Giuseppe
  • Antonino Maria
  • Antonino Luigi
  • Antonino Salvatore
  • Antonino Marco
  • Antonino Luca

Caio ___

  • Caio Alexandre
  • Caio Felipe
  • Caio Henrique
  • Caio Lucas
  • Caio Rafael
  • Caio Miguel

Sibling Name Ideas

Names that pair well as siblings.

If you choose Antonino

Salvatore Giuseppe Francesca Concetta Lorenzo

If you choose Caio

Enzo Mateus Pedro Giovanna Isadora

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 Antonino or Caio more popular?

Caio is more popular, ranked #3730 compared to Antonino at #3901 in the United States.

What do Antonino and Caio mean?

Antonino means "priceless, invaluable (from Antonius family name)" (Latin origin). Caio means "to rejoice, to be glad" (Latin origin).

Are Antonino and Caio boy or girl names?

Antonino is primarily a boy name. Caio is primarily a boy name.

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← Full profile: Antonino ← Full profile: Caio Browse all baby names