Search gender: all male female 広 Japanese Boy Names Variations. 901 names found. gender: all male female Name: hiroki Katakana: ヒロキ 0 Kanji: 広興 Meaning: 広Large. To have a large area or space. To spread out. Width of east and west. 興Interest. The momentum will flourish. You can save your favorite names with prev1…4243444546 NAZUKE PON > About Japanese Names > Search Japanese Names By Kanji > 広 Japanese Boy Names Variations.