Last name Диор (Dior 
, Диор 
) , across the world, is quite a common family name. The cognomen Диор is habitual in Eswatini, where it is quite a rare surname, Senegal, and Algeria. Measured by absolute frequency, the name is most common in Algeria, Cameroon, and Senegal. Likewise, Диор is the forename as well as the last name.