Search gender: all male female Mutsutoshi Boy Name Meaning, Kanji Variations. 1 names found. gender: all male female Name: mutsutoshi Katakana: ムツトシ 0 Kanji: 睦明 Meaning: 睦Good Friends 明Bright. The state of being illuminated by light and seeing clearly. A hopeful and positive attitude. A detailed understanding of things. To be clear. To distinguish. Smart. Wise. Light. To light up. You can save your favorite names with NAZUKE PON > About Japanese Names > Search For Japanese Names > Mutsutoshi Boy Name Meaning, Kanji Variations.