Family name Такуо (Takuo 
, Такуо 
) , throughout the world, is a rare cognomen. The cognomen Такуо is characteristic of 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, Такуо is the forename as well as the last name.