Search gender: all male female Mochihiro Name Meaning, Kanji Variations. 1 names found. gender: all male female Name: mochihiro Katakana: モチヒロ 0 Kanji: 持広 Meaning: 持hold (in one's hand) 広Large. To have a large area or space. To spread out. Width of east and west. You can save your favorite names with NAZUKE PON > About Japanese Names > Search For Japanese Names > Mochihiro Name Meaning, Kanji Variations.