Search gender: all male female デミ Japanese Girl Names Variations. 1 names found. gender: all male female Name: demi Katakana: デミ 8 Kanji: 出美 Meaning: 出Come out 美Beautiful. Excellent. Splendid. Delicious. You can save your favorite names with NAZUKE PON > About Japanese Names > Search Japanese Names By Kanji > デミ Japanese Girl Names Variations.