海
かい
カイ
MaleNature-InspiredPopularity: 82/100Shorter entry
Kai: Japanese Name Meaning
Meaning: Ocean, Sea
海
kai
ocean, sea
Shorter entry
This page currently lists structured facts (readings, kanji, gender, and popularity). A fuller origin story, usage notes, and related context will be added as they are researched and verified.
All Readings
Kanji
海
Hiragana
かい
Katakana
カイ
Romaji
Kai
Cultural Significance
The ocean has shaped Japanese civilization for millennia. Kai embodies vastness, depth, and the profound mystery of the sea that surrounds Japan.
Kanji Character Details
海
Character 1: 海
読み: kaiMeaning: ocean, sea
Together with the rest of the name Kai, 海 emphasizes “ocean, sea” in the usual interpretation.
Gender Usage
5%
Female usage
95%
Male usage
Male
Typical classification
Frequently Asked Questions
What does Kai mean in Japanese?›
Kai (海) means "Ocean, Sea" in Japanese. The name is read かい in hiragana.
Is Kai a boy or girl name?›
Kai is traditionally a boy's name in Japan, classified as a male Japanese name.
How do you write Kai in kanji?›
Kai is typically written 海 (かい). Alternative kanji variants include 甲斐, 界.
How do you pronounce Kai?›
Kai is pronounced かい in hiragana (カイ in katakana). The romanized spelling is Kai.
Writing Variants
Kai can also be written with these alternative kanji combinations:
海(primary)
甲斐(variant)
界(variant)
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