Throughout the world, ヤスユキ (Yasuyuki 
, ヤスユキ ) is a rare masculine first name. The first name ヤスユキ is characteristic of Japan, where it is a rare boy's name, Singapore, and the United States, where it is a very rare masculine name. In absolute terms, the name is most common in Japan, China, and the United States. Much more prevalently, ヤスユキ is the last name as well as the forename.