Kaito is a Japanese unisex name (though far more popular for men) with a variety of meanings depending on the kanji used:
- kai 海 “sea, ocean” + to 斗 “Big Dipper; dipper, ladle” (海斗);
- kai 海 “sea, ocean” + to 翔“soar, fly” (海翔);
- kai 海 “sea, ocean” + to 人 “person” (海人);
- kai 海 “sea, ocean” + to 都 “metropolis, capital, all, everything” (海都);
- kai 魁 “charging ahead of others” + to 斗 “Big Dipper; dipper, ladle” (魁斗);
- kai 快 “cheerful, pleasant, agreeable, comfortable, enjoyable” + to 斗 “Big Dipper; dipper, ladle” (快斗);
- kai 凱 “victory, triumph, victory song” + to 斗 “Big Dipper; dipper, ladle” (凱斗);
- ka 嘉 “praise, auspicious” + i 惟 “consider, reflect, think” + to 人 “person” (嘉惟人);
- kai 界 “world, boundary” + to 人 “person” (界人)
Written in hiragana it’s かいと. Kaito 怪 盗 is also a word meaning phantom thief or mysterious thief.
Origin: Japanese