Search gender: all male female Sanshichi Boy Name Meaning, Kanji Variations. 1 names found. gender: all male female Name: sanshichi Katakana: サンシチ 0 Kanji: 三七 Meaning: 三Three. The third. Kanji to represent the number 3 (three).Again. Again and again. Many times. 七Seven. Seventh. Kanji character for the number 7 (seven). Many times. You can save your favorite names with NAZUKE PON > About Japanese Names > Search For Japanese Names > Sanshichi Boy Name Meaning, Kanji Variations.