Kacper is a distinctive choice, ranked #782 in 2025. Your child is likely to be the only Kacper in their class.
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UK Rank 2025
#782
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About the Name Kacper
Kacper has seen a notable decline in recent years, dropping 449 places in five years. It was most popular in 2008 at #158 — parents choosing it today are making a deliberately counter-trend decision. The name has been a regular feature in UK records since 2001.
Kacper is uncommon in the UK, so your child is very likely to be the only Kacper in their class.
⭐ Famous People Named Kacper
Kacper Juroszek — Kacper Juroszek is a Polish ski jumper representing the sports club AZS AWF Katowice.
Kacper Drozdowski — Kacper Drozdowski is a Polish chess player who holds the title of International Master.
Kacper Adamski — Kacper Adamski is a Polish handball player for Energa MKS Kalisz and the Polish national team.
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 Kacper
Unlikely. With around 42 UK babies named Kacper per year, your child will almost certainly be the only Kacper in their class, and possibly the only one in the whole school.
Kacper is declining: down 458 places since 2020, to #782 in 2025. It peaked at #158 in 2008.
Kacper 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 Kacper include: Kacper Juroszek, Kacper Drozdowski and Kacper Adamski. Short summaries for each appear below.
Kacper does not appear in the US top 1,000 baby names, making it a distinctively British choice — your child is unlikely to encounter American Kacpers in the wild.
42
UK babies named Kacper (2025)
< 1
Expected classmates with this name (class of 28)
~0.0
In a school of 600
↓ 458 places
Rank change (last 5 years)
🏫 Who else is in the room?
In a typical UK class of 28, highlighted children share the name Kacper
Almost certainly the only Kacper in the class
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UK Popularity (2001–2025)
Rank and birth count · ONS official data
No US data available for this name
✨ Similar names to Kacper
Names with a similar style — each with their own classroom story
Kacper Aleksander Stokowski is a Polish competitive swimmer, who competed for the University of Florida and North Carolina State University and represented his native Poland in both the 2020 Summer Olympics in Tokyo and the 2024 Summer Olympics in Paris.
Kacper Szymon Kozłowski is a Polish professional footballer who plays as a midfielder for Turkish Süper Lig club Gaziantep and the Poland national team.