There are at least three artists with this name:


1) DIA (디아) is a South Korean female singer.


2) DIA is a finnish modern rock band from Jyväskylä, Finland. It was founded in 2005 and so far has released demos and an LP fully downloadable from their website: http://www.ilta.fi


3) Dia is a dude who plays guitar and happens to be suffering of the disease called diabetes.He will rise against everything that holds him down...or go home and sleep.