Family name Такаши (Takashi 
, Takachi 
, Такаши 
) , in all the world, is a common cognomen. The last name Такаши is habitual in Brunei, where it is quite a rare surname, Japan, and Singapore. Not in comparison with a country's population, it is commonest in Japan, China, and Indonesia. Also, Такаши is the forename as well as the last name.