Family name Kontoro (Kontor 
, Kontoro 
, Contoir ) , in all the world, is quite a rare surname. The cognomen Kontoro is characteristic of Hungary, where it is quite a common surname, Ghana, where it is quite a rare surname, and Estonia. Measured by absolute frequency, it most frequently occurs in Ghana, Hungary, and the United States. Very seldom, Kontoro is the forename as well as the last name.