Surname Иглесиас (Iglesias 
, Yglesias , Иглесиас 
) , throughout the world, is a widespread cognomen. The cognomen Иглесиас is characteristic of Guam, where it is quite a common surname, Uruguay, and Spain (explore the name in all countries). Measured by absolute frequency, it most frequently occurs in Spain, Argentina, and Mexico. Very seldom, Иглесиас is the forename as well as the last name.