Search gender: all male female ヒロヒロ Japanese Boy Names Variations. 1 names found. gender: all male female Name: hirohiro Katakana: ヒロヒロ 0 Kanji: 浩仁 Meaning: 浩Wide. Big. Spacious. Many. Abundant. 仁Compassion. Kindness. People. A word used with respect to a person. The heart of a person. Humanity. A person who has virtue. You can save your favorite names with NAZUKE PON > About Japanese Names > Search Japanese Names By Kanji > ヒロヒロ Japanese Boy Names Variations.