Search gender: all male female Ruhi Girl Name Meaning, Kanji Variations. 2 names found. gender: all male female Name: ruhi Katakana: ルヒ 0 Kanji: るひ Meaning: る ひ Name: ruhi Katakana: ルヒ 0 Kanji: 瑠妃 Meaning: 瑠Lapis lazuli. 妃Princess. Wife of the Crown Prince. Also, the wife of an imperial or royal family member. The honorific title of a goddess. You can save your favorite names with NAZUKE PON > About Japanese Names > Search For Japanese Names > Ruhi Girl Name Meaning, Kanji Variations.