Search gender: all male female コル Japanese Girl Names Variations. 2 names found. gender: all male female 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. Name: koru Katakana: コル 0 Kanji: こる Meaning: こ る You can save your favorite names with NazukePON > About Japanese Names > Search Japanese Names By Kanji > コル Japanese Girl Names Variations.