Last name キドウ (Chidu 
, キドウ 
) , in all the world, is a rare family name. The surname キドウ is habitual in Romania, where it is quite a rare surname, Afghanistan, where it is a rare surname, and Tanzania, where it is a very rare surname. In absolute terms, it is commonest in Romania, India, and Afghanistan. Also, キドウ is the forename as well as the last name.