Search gender: all male female Onen Boy Name Meaning, Kanji Variations. 1 names found. gender: all male female Name: onen Katakana: オウネン 0 Kanji: 凰稔 Meaning: 凰The phoenix, a legendary bird. 稔It bears fruit. The grain will bear fruit. A metaphor for something that has been nurtured and finally comes into shape. You can save your favorite names with NAZUKE PON > About Japanese Names > Search For Japanese Names > Onen Boy Name Meaning, Kanji Variations.