Arnór Dan Arnarson (often credited as Arnór Dan) is an Icelandic musician best known as the lead singer of the progressive rock band Agent Fresco as well as for his collaborations with Icelandic multi-instrumentalist Ólafur Arnalds.

He was selected male vocalist of the year at the Icelandic Music Awards in 2016.

[1] Arnór Dan got his musical start in a high school band called Rosa.

[citation needed] In 2008, he helped found the progressive rock band Agent Fresco, which has since released two studio albums and one EP.

He has frequently collaborated with fellow Icelandic musician Ólafur Arnalds.