Search gender: all male female Najika Girl Name Meaning, Kanji Variations. 1 names found. gender: all male female Name: najika Katakana: ナジカ 0 Kanji: 七虹香 Meaning: 七Seven. Seventh. Kanji character for the number 7 (seven). Many times. 虹Rainbow. 香Scent. Good smell, fragrant. Aromatic. A scented object that produces a fragrance. You can save your favorite names with NAZUKE PON > About Japanese Names > Search For Japanese Names > Najika Girl Name Meaning, Kanji Variations.