Kaio

♂ Boy

Kaio Pronunciation

Kaio is pronounced KY-oh /ˈkaɪ.oʊ/Medium

Meaning: Portuguese form of Caio — from Roman Gaius, traditionally 'to rejoice'Low

In 30 seconds: Roman roots, Brazilian bounce: Kaio is the Portuguese Caio — from Gaius, 'to rejoice'. Bright, breezy, and classical.

💕 Browse more names

Origin MediumLatin, Portuguese

MeaningPortuguese form of Caio — from Roman Gaius, traditionally 'to rejoice'

U.S. rank (2024)#4125 ↗ Rising

2024 U.S. births26 boys (0.00% of U.S. boys)

Peak year2023

Total births (all-time)≈ 407

Popularity in the U.S. · SSA data

U.S. births per year (Social Security Administration, 1880–present). Pink marker = peak year.

History & Origin

Kaio is a spelling of the Portuguese Caio — from the Roman Gaius, traditionally 'to rejoice' (the ancient meaning is uncertain, which we note). A bright, popular name in Brazil, it pairs classical roots with a sunny sound.

In the U.S. it appears in Brazilian families. Rare, to-rejoice at the (traditional) root, and bright.

Did you know? Kaio (Caio) comes from the ancient Roman Gaius — one of Rome's most common names (Julius Caesar's first name) — traditionally read 'to rejoice'.

Overall data confidence 70%

Behind the Name — Caio — meaning traditional

Variations

CaioGaiusKaius

Nicknames

—

Famous Bearers

Famous bearers coming soon.

If you like Kaio…

Caio— the standard spelling

Kai— a fellow bright Ka- name

Gaius— the Roman original

Lucio— a similarly popular pick

Kristian— a fellow Latin choice

→ See all names like Kaio

Browse the whole category: All Latin names → · All Portuguese names → · All origins →

Frequently Asked

How do you pronounce Kaio?

Kaio is pronounced KY-oh (/ˈkaɪ.oʊ/). Press play above to hear Kaio said aloud.

How do you say Kaio?

Kaio is said KY-oh (/ˈkaɪ.oʊ/). Press play above to hear Kaio said aloud.

What does the name Kaio mean?

Kaio is the Portuguese Caio, from Roman Gaius, traditionally 'to rejoice'; the ancient meaning is uncertain.

Is Kaio a boy or girl name?

Kaio is a boy's name.

How popular is Kaio?

Kaio is a rare name in the U.S.