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At a Glance
- Meaning
- Possibly from Latin Caius, or a Frisian pet form of Gerard/Cornelius/Nicholas ('warrior'); popularly reinterpreted in the US as Hawaiian for 'sea'
- Origin
- Germanic/Scandinavian (also popularly linked to Hawaiian)
- Gender
- Neutral
- Pronunciation
- KY
Kai has a worldly, clean, modern, and outdoorsy, nature-inspired feel, and it's used as a name for any gender. You'll often see it explained as Hawaiian for 'sea,' but that's a popular US reinterpretation rather than the documented root — Kai actually traces to Scandinavian/German origins, including use as a Frisian pet form of Gerard, Cornelius, or Nicholas, meaning 'warrior.' It's pronounced KY (IPA /ˈkaɪ/).
Meaning & Origin of Kai
Meaning: Possibly from Latin Caius, or a Frisian pet form of Gerard/Cornelius/Nicholas ('warrior'); popularly reinterpreted in the US as Hawaiian for 'sea'.
Origin: Germanic/Scandinavian (also popularly linked to Hawaiian).
A common claim: Popularly said to mean 'sea' in Hawaiian. Actually: That's a popular US reinterpretation, not the documented root — Kai's actual traceable origins are Scandinavian/German (e.g., a Frisian pet form of Gerard, Cornelius, or Nicholas meaning 'warrior,' or from Latin Caius).
Source: Wiktionary.
How to Pronounce Kai
KYIPA /ˈkaɪ/
Popularity of Kai
Kai reached its highest point in the Social Security data at #59 in 2022 with 5,366 babies, and by 2024 it sat at #76 with 4,276.
Names Like Kai
These names share Kai’s style, era or origin.
FAQ
What does the name Kai mean?
Possibly from Latin Caius, or a Frisian pet form of Gerard/Cornelius/Nicholas (‘warrior’); popularly reinterpreted in the US as Hawaiian for ‘sea’. (Source: Wiktionary)
How do you pronounce Kai?
Kai is pronounced KY (IPA: /ˈkaɪ/).
Is Kai a popular name right now?
Kai peaked at #59 in 2022 and is ranked #76 as of 2024. (U.S. Social Security Administration data, 1926–2024.)
Make Kai Name Art
Free printable nursery art for Kai, pre-loaded below — pick a layout, palette, and font, then download a print-ready PNG.
📊 How popular is Kai? See the full popularity history, trend data, and ranking since 1880 with our free Baby Name Popularity Checker.
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