Masuyo is of Japanese origin. The meaning of Masuyo is 'benefit, world'. Like many Japanese names, Masuyo can mean multiple things depending on the characters used to spell it. The name is popularly is derived from the character 益 (masu) meaning 'profit, benefit' and 世 (yo) meaning 'world'. The name could also derive its meaning from the kanji character 益 (masuyo) meaning 'benefit, gain, profit, advantage'.