Search gender: all male female Sayoi Name Meaning, Kanji Variations. 1 names found. gender: all male female Name: sayoi Katakana: サヨイ 0 Kanji: 沙宵 Meaning: 沙Sand. Sandy beach. Waterfront. Desert. The place where the sand meets the water. To wash with water and select the good ones. 宵Evening. Night. It was just after dark. You can save your favorite names with NAZUKE PON > About Japanese Names > Search For Japanese Names > Sayoi Name Meaning, Kanji Variations.