Family name Масахиро (Masahiro 
, Масахиро 
) , all over the world, is quite a common cognomen. The cognomen Масахиро is habitual in Japan, where it is quite a rare surname, Taiwan, and Singapore, where it is a rare surname. In absolute terms, it is the most numerous in Eastern Asia, particularly Japan, China, and Taiwan. Also, Масахиро is the forename as well as the last name.