Is Kai a boy or girl name?

Kai is considered a unisex name. In many Western countries, it is more common for boys, but it is frequently used for girls, especially in Hawaii and English-speaking regions.

What does Kai mean in Japanese?

In Japanese, the meaning of Kai depends on the kanji used; common meanings include 'ocean' (海), 'shell' (貝), 'restoration' (改), or 'open' (開).

Is Kai a short form of another name?

Yes, in European traditions it can be a diminutive of names like Malakai, Mordecai, Gerhard, or Nikolaus, though it is now predominantly used as a standalone name.

What is the Hawaiian meaning of Kai?

In Hawaiian, Kai simply and beautifully means 'the sea'.

Kai海 / 凱

/KYE/

Hawaiian, German, Japanese, Scandinavian

Kai is a Hawaiian, German, Japanese, Scandinavian baby name pronounced /KYE/. Depending on its cultural origin, this name most commonly means sea, ocean, or warrior.

Meaning of Kai

Depending on its cultural origin, this name most commonly means sea, ocean, or warrior.

In Hawaiian, it literally translates to 'sea' or 'ocean.' In Germanic languages, it is often a diminutive of Gerhard or Nikolaus, while in Japanese, it can mean 'shell,' 'open,' or 'restoration' depending on the kanji used. It also has roots in Frisian as a short form of Kaimbe, meaning 'warrior'.

Origin: Hawaiian, German, Japanese, Scandinavian
Pronunciation: /KYE/

Cultural background

Kai is a truly global name that has seen a surge in popularity across Europe, North America, and Australasia due to its short, punchy sound and multicultural roots.

Variations & nicknames

Kye
Kaj
Kay
Cai
Kajus
Kei

Famous people named Kai

Well-known namesakes — celebrities, historical figures and characters.

Kai Winding
Influential Danish-American jazz trombonist and composer.
Music · 1940s-1980s
Kai Havertz
German professional footballer playing for Arsenal and the national team.
Sport · Modern
Kai Bird
Pulitzer Prize-winning American author and journalist.
Literature · Modern
Kai
The protagonist of Hans Christian Andersen's fairy tale The Snow Queen.
Literature · 1844
Kai Ryssdal
American radio journalist and host of Marketplace.
Journalism · Modern
Kim Jong-in (Kai)
South Korean singer and dancer, member of the group EXO.
Music · Modern

Frequently asked about Kai

Is Kai a boy or girl name?: Kai is considered a unisex name. In many Western countries, it is more common for boys, but it is frequently used for girls, especially in Hawaii and English-speaking regions.
What does Kai mean in Japanese?: In Japanese, the meaning of Kai depends on the kanji used; common meanings include 'ocean' (海), 'shell' (貝), 'restoration' (改), or 'open' (開).
Is Kai a short form of another name?: Yes, in European traditions it can be a diminutive of names like Malakai, Mordecai, Gerhard, or Nikolaus, though it is now predominantly used as a standalone name.
What is the Hawaiian meaning of Kai?: In Hawaiian, Kai simply and beautifully means 'the sea'.

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