Last name Dotsu (Dotsu 
, Доцу 
) , all around the world, is a very rare surname. The family name Dotsu is characteristic of Ukraine, where it is a very rare surname, Russia, and France, where it is an extremely rare surname. Not in comparison with a country's population, it is commonest in Russia, Ukraine, and the United States. Very seldom, Dotsu is the forename as well as the last name.