Search gender: all male female Onichiro Name Meaning, Kanji Variations. 1 names found. gender: all male female Name: onichiro Katakana: オンイチロウ 0 Kanji: 音一朗 Meaning: 音Sound. Tone. Voice. News. 一One. The first. Kanji for the number 1 (one). To be the most superior. To begin, to put things together. 朗Cheerful. Explicit. A bright, cheerful personality. A beautiful, unclouded appearance. Honest. Clear-hearted. A clear voice. You can save your favorite names with NAZUKE PON > About Japanese Names > Search For Japanese Names > Onichiro Name Meaning, Kanji Variations.