Search gender: all male female 宏 Japanese Girl Names Variations. 61 names found. gender: all male female Name: mihiro Katakana: ミヒロ 0 Kanji: 海宏 Meaning: 海Sea. Wide and large. A place where many people and things gather. A large lake or pond. A large lake or pond. A frontier. The end of the earth. 宏Large. Big. Expand. Excellent. To be splendid. You can save your favorite names with prev1234 NAZUKE PON > About Japanese Names > Search Japanese Names By Kanji > 宏 Japanese Girl Names Variations.