Cognomen Takuo (Takuo 
, Такуо 
) , in the entire world, is a rare surname. The family name Takuo is habitual in Japan, where it is a rare surname, Indonesia, where it is a very rare surname, and Chile, where it is an extremely rare surname. Not in comparison with a country's population, it is commonest in Japan, China, and Indonesia. Likewise, Takuo is the forename as well as the last name.