>
In the entire world, ヤスマサ (Yasumasa , ヤスマサ ) is a rare male first name. The first name ヤスマサ is habitual in Japan, where it is a rare boy's name, the United States, where it is an extremely rare mostly male, but seldom female name, and China, where it is an extremely rare male name. More frequently, ヤスマサ is the last name as well as the forename.
ヤスマサ is also a name for the fictitious and mythical characters: Yasumasa Hirai , character in Teito Monogatari.