Surname دليل (Dalil 
, دليل 
, Dlil 
) , in the world, is a common cognomen. The last name دليل is habitual in Sudan, where it is quite a common surname, Morocco, where it is quite a rare surname, and Syria. Measured by absolute frequency, it most frequently occurs in Sudan, Morocco, and Indonesia. Likewise, دليل is the forename as well as the last name.