Search gender: all male female Nichiwa Boy Name Meaning, Kanji Variations. 1 names found. gender: all male female Name: nichiwa Katakana: ニチワ 0 Kanji: 日輪 Meaning: 日The sun. Sunlight. A day from sunrise to sunset. One day and night. Day. Every day. Weather. Sky patterns. Things in Japan. 輪Ring You can save your favorite names with NAZUKE PON > About Japanese Names > Search For Japanese Names > Nichiwa Boy Name Meaning, Kanji Variations.