Daði Freyr Pétursson, known professionally as Daði Freyr or simply Daði, is an Icelandic musician. As the frontman of Daði & Gagnamagnið, he was due to represent Iceland in the Eurovision Song Contest 2020 with the song "Think About Things", before the event was cancelled in response to the COVID-19 pandemic. Instead, he represented Iceland in the Eurovision Song Contest 2021 with the song "10 Years", finishing in fourth place.