Search gender: all male female Hiroshin Name Meaning, Kanji Variations. 1 names found. gender: all male female Name: hiroshin Katakana: ヒロシン 0 Kanji: 弘申 Meaning: 弘Wide. Large. To spread, to convey widely. Large in scale, large in quantity. 申Say You can save your favorite names with NAZUKE PON > About Japanese Names > Search For Japanese Names > Hiroshin Name Meaning, Kanji Variations.