Search gender: all male female Hiromaru Name Meaning, Kanji Variations. 1 names found. gender: all male female Name: hiromaru Katakana: ヒロマル 0 Kanji: 宏丸 Meaning: 宏Large. Big. Expand. Excellent. To be splendid. 丸Round. No corners. Gentle. A dumpling. A dumpling made from fish or other ingredients. Abbreviation of pill. You can save your favorite names with NAZUKE PON > About Japanese Names > Search For Japanese Names > Hiromaru Name Meaning, Kanji Variations.