Family name 武彦 (武彦 
, Takehiko 
) , in the world, is quite a rare cognomen. The surname 武彦 is habitual in Japan, where it is a rare surname, Taiwan, and Malaysia. Not in comparison with a country's population, it is the most numerous in Eastern Asia, particularly Japan, China, and Taiwan. Also, 武彦 is the forename as well as the last name.