Search gender: all male female サンドウ Japanese Names Variations. 1 names found. gender: all male female Name: sando Katakana: サンドウ 0 Kanji: 三銅 Meaning: 三Three. The third. Kanji to represent the number 3 (three).Again. Again and again. Many times. 銅Copper You can save your favorite names with NAZUKE PON > About Japanese Names > Search Japanese Names By Kanji > サンドウ Japanese Names Variations.