Search gender: all male female Mio Boy Name Meaning, Kanji Variations. 41 names found. gender: all male female Name: mio Katakana: ミオ 0 Kanji: 弥臣 Meaning: 弥It's been a long time. Distant. Extensive, pervasive. Passing time. Big. To mend. To sew. To put away. To stop. To finish. Finally. More and more. Further. 臣Vassal. A servant. One who serves a lord. People in general. You can save your favorite names with prev123 NAZUKE PON > About Japanese Names > Search For Japanese Names > Mio Boy Name Meaning, Kanji Variations.