Search gender: all male female サジョウ Japanese Boy Names Variations. 1 names found. gender: all male female Name: sajo Katakana: サジョウ 0 Kanji: 砂上 Meaning: 砂Sand. A fine grained substance. 上Up. To go up. To move from a low place to a high place. Position, value, age, etc. is in a higher place. The stream is in the front. To offer up. You can save your favorite names with NAZUKE PON > About Japanese Names > Search Japanese Names By Kanji > サジョウ Japanese Boy Names Variations.