Search gender: all male female トヨサ Japanese Girl Names Variations. 1 names found. gender: all male female Name: toyosa Katakana: トヨサ 0 Kanji: 豊紗 Meaning: 豊Abundance. Large in quantity. Large. full. To make crops grow well. 紗Thin silk. A thin, coarse silk fabric. A veil-like fabric. You can save your favorite names with NAZUKE PON > About Japanese Names > Search Japanese Names By Kanji > トヨサ Japanese Girl Names Variations.