Family name Илдико (Ildiko 
, Ildikó , Ildico 
) , all over the world, is quite a common last name. The last name Илдико is habitual in Eastern Europe, particularly Hungary, where it is quite a common surname, Romania, and Slovakia, where it is quite a rare surname. Measured by absolute frequency, it most frequently occurs in Hungary, Romania, and Serbia. More prevalently, Илдико is the forename as well as the last name.