Cognomen Contoir (Kantor 
, Cantor 
, Kontor 
) , throughout the world, is a common family name. The last name Contoir is habitual in Hungary, where it is quite a common surname, Colombia, and Honduras (explore the name in all countries). In absolute terms, it most frequently occurs in Colombia, the United States, and Philippines. Much less frequently, Contoir is the forename as well as the last name.