Cognomen 雅行 (Masayuki 
, 雅行 ) , around the world, is quite a common surname. The cognomen 雅行 is habitual in Japan, where it is quite a rare surname, Taiwan, and Singapore, where it is a rare surname. In absolute terms, it most frequently occurs in Eastern Asia, particularly Japan, China, and Taiwan. Likewise, 雅行 is the forename as well as the last name.