Search gender: all male female Sawahiro Name Meaning, Kanji Variations. 1 names found. gender: all male female Name: sawahiro Katakana: サワヒロ 0 Kanji: 沢宏 Meaning: 沢Wetland 宏Large. Big. Expand. Excellent. To be splendid. You can save your favorite names with NAZUKE PON > About Japanese Names > Search For Japanese Names > Sawahiro Name Meaning, Kanji Variations.