Throughout the world, Иглесиас (Iglesias 
, Yglesias , Иглесиас 
) is quite a rare dominantly masculine, but uncommonly female forename. The first name Иглесиас is habitual in the Democratic Republic of the Congo, where it is a rare unisex name, Angola, where it is a rare boy's name, and Spain, where it is a very rare masculine name. In absolute terms, the name is most common in the Democratic Republic of the Congo, Angola, and Brazil. More prevalently, Иглесиас is the last name as well as the forename.