Family name Діаш (Dijas 
, Діаш 
) , across the world, is a very rare cognomen. The last name Діаш is habitual in Croatia, where it is a very rare surname, Mexico, where it is an extremely rare surname, and Ukraine. Measured by absolute frequency, this name is the most popular in Mexico, the United States, and Croatia. Much less frequently, Діаш is the forename as well as the last name.