Kaio is a distinctive choice, ranked #1897 in 2025. Your child is likely to be the only Kaio in their class.
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UK Rank 2025
#1897
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About the Name Kaio
Kaio is currently at its most popular point on record, sitting at UK #2264. The name has climbed 418 places in the last five years — a significant surge by any measure. The name has been recorded in UK data since 2010.
Kaio is uncommon in the UK, so your child is very likely to be the only Kaio in their class.
⭐ Famous People Named Kaio
Kaio de Almeida — Kaio Márcio Ferreira Costa de Almeida is a Brazilian swimmer who specializes in the butterfly.
Kaio Jorge — Kaio Jorge Pinto Ramos, known as Kaio Jorge (Brazilian Portuguese: [ˈka.jʊ ˈʒɔʁ.ʒɪ]), is a Brazilian professional footballer who plays as a striker for Campeonato Brasileiro Série A club Cruzeiro and the Brazil national team.
Kaio César — Kaio César Andrade Lima, known as Kaio César or just Kaio, is a Brazilian professional footballer who plays as a winger for Corinthians, on loan from Al-Hilal.
Biographical summaries are shortened from Wikipedia and are used under the CC BY-SA 4.0 licence; those summaries remain available under that same licence.
Frequently Asked Questions
Common questions about the name Kaio
Unlikely. With around 13 UK babies named Kaio per year, your child will almost certainly be the only Kaio in their class, and possibly the only one in the whole school.
Kaio is at its highest recorded position — #1,897 in 2025, with 13 births. In 2020 it ranked #2,682.
Kaio is a distinctive choice sitting outside the mainstream UK top names. Parents choosing less common names often find their children appreciate the individuality as they grow up, rarely needing to add an initial to distinguish themselves.
Notable people named Kaio include: Kaio de Almeida, Kaio Jorge and Kaio César. Short summaries for each appear below.
Kaio does not appear in the US top 1,000 baby names, making it a distinctively British choice — your child is unlikely to encounter American Kaios in the wild.
13
UK babies named Kaio (2025)
< 1
Expected classmates with this name (class of 28)
~0.0
In a school of 600
↑ 785 places
Rank change (last 5 years)
🏫 Who else is in the room?
In a typical UK class of 28, highlighted children share the name Kaio
Almost certainly the only Kaio in the class
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UK Popularity (2010–2025)
Rank and birth count · ONS official data
No US data available for this name
✨ Similar names to Kaio
Names with a similar style — each with their own classroom story
Kaio Jorge Pinto Ramos, known as Kaio Jorge (Brazilian Portuguese: [ˈka.jʊ ˈʒɔʁ.ʒɪ]), is a Brazilian professional footballer who plays as a striker for Campeonato Brasileiro Série A club Cruzeiro and the Brazil national team.
Kaio César Andrade Lima, known as Kaio César or just Kaio, is a Brazilian professional footballer who plays as a winger for Corinthians, on loan from Al-Hilal.
Kaio Nunes Ferreira, known as Kaio Nunes or simply Kaio, is a Brazilian professional footballer who plays as a forward for Super League club Borneo Samarinda.
Kaio Fernando da Silva Pantaleão, known mononymously as Kaio, is a Brazilian professional footballer who plays as a centre-back for Brazilian club Botafogo.