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Caio
OriginVariation of Latin Caius
Meaning"rejoice"
US Rank#3322
2025 SSA
About Caio
Joyful-sounding name that makes a really original option.
Pronounced KY-oh.
As of October 2026, Caio ranked #3322 in US births in 2025 SSA, peaked at #3063 in 2023.
Popularity & trends
US popularity — history
US rank, lower is more popular · SSA data 2014–2025
Actual · SSA
20142025
18802025
Data table
| Year | US rank | Births | Per million |
|---|---|---|---|
| 2014 | #4,556 | 21 | 10.9 |
| 2015 | #4,311 | 23 | 12 |
| 2016 | — | 0 | 0 |
| 2017 | #4,241 | 24 | 13 |
| 2018 | #3,457 | 32 | 17.6 |
| 2019 | #3,357 | 34 | 18.9 |
| 2020 | #4,160 | 24 | 13.9 |
| 2021 | #3,507 | 32 | 18.3 |
| 2022 | #3,786 | 29 | 16.6 |
| 2023 | #3,063 | 40 | 23.4 |
| 2024 | #3,695 | 30 | 17.4 |
| 2025 | #3,322 | 35 | 20.5 |
World rankings
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Caio on lists
Famous Caios
- Caio Alves
Brazilian footballer
- Caio Zampieri
Brazilian tennis player
Caio in pop culture
- Sounds like Caillou {KY
you}, character from cartoon of the same name
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