Search gender: all male female Daion Boy Name Meaning, Kanji Variations. 1 names found. gender: all male female Name: daion Katakana: ダイオン 0 Kanji: 大恩 Meaning: 大Big. Large. Large in number or quantity. Greatly. Valuable. Important. Excellent. Splendid. Very much. Much. (Power or force) strong. long time. To be high in rank or position. 恩Debt of gratitude You can save your favorite names with NAZUKE PON > About Japanese Names > Search For Japanese Names > Daion Boy Name Meaning, Kanji Variations.