Search gender: all male female Koru Girl Name Meaning, Kanji Variations. 2 names found. gender: all male female Name: koru Katakana: コル 0 Kanji: こる Meaning: こ る Name: koru Katakana: コル 0 Kanji: 小瑠 Meaning: 小Small. Little. Small in number or quantity. Trivial. Insignificant. Unimportant. Young person. Underestimate the ability. To treat lightly. A word used to humble oneself. 瑠Lapis lazuli. You can save your favorite names with NAZUKE PON > About Japanese Names > Search For Japanese Names > Koru Girl Name Meaning, Kanji Variations.