# Kai: Meaning, Origin & Similar Names | Clever Mum

> Kai meaning: "Sea (Hawaiian), forgiveness (Japanese)" (Multiple origin). Boy name — see similar names, sibling pairings and style.

*   [ Home ](/) 
*  › [ Baby Name Finder ](/tools/baby-name-finder) 
*  ›  Kai  
 
   
Boy name · Multiple

 
# Kai

     
 
Quick answer — What does Kai mean? 

 
Kai is a boy name of Multiple origin, meaning "Sea (Hawaiian), forgiveness (Japanese)". It's commonly grouped as a modern, international name in the UK.

    
Our shortlist groups Kai under modern, international names. These are editorial categories for browsing. Meanings can have multiple interpretations across languages; the short gloss is not a complete etymology. Similar-name and sibling suggestions below are generated from shared tags, not a survey of family naming choices.

    
## At a glance

   Meaning Sea (Hawaiian), forgiveness (Japanese)   Origin Multiple    Gender Boy   Style modern, international       
## Names similar to Kai

 

Sharing at least one style with Kai — a starting point if you like the feel but want more options.

  [ Finn ](/tools/baby-name-finder/finn/)[ Luca ](/tools/baby-name-finder/luca/)[ Zayn ](/tools/baby-name-finder/zayn/)[ Rafferty ](/tools/baby-name-finder/rafferty/)[ Aarav ](/tools/baby-name-finder/aarav/)[ Vihaan ](/tools/baby-name-finder/vihaan/)    
## Sibling name pairings

 

Names that share Kai's style, if you're planning ahead for a brother or sister.

  [ Freya ](/tools/baby-name-finder/freya/)[ Maya ](/tools/baby-name-finder/maya/)[ Aria ](/tools/baby-name-finder/aria/)     
## Questions about the name Kai

    What does the name Kai mean?   
 Kai is of Multiple origin and means "Sea (Hawaiian), forgiveness (Japanese)". 

   Is Kai a popular baby name in the UK?   
 Naming trends shift every year, so rather than quote a number that goes stale, check the current official rankings on the Office for National Statistics' baby names release — search "Kai" at ons.gov.uk for the latest England & Wales data. 

   What names are similar to Kai?   
 Names with a similar style to Kai include Finn, Luca, Zayn, Rafferty. 

     

For current official UK popularity rankings, see the  [
ONS baby names statistics
](https://www.ons.gov.uk/peoplepopulationandcommunity/birthsdeathsandmarriages/livebirths/bulletins/babynamesenglandandwales/current) 
for England and Wales — the only authoritative live source. Explore more names in our  [Baby Name Finder](/tools/baby-name-finder/), or try our  [due date calculator](/tools/due-date-calculator/) if you're
      just getting started.

 
Reviewed August 2026.