Jón Jósep Snæbjörnsson or Jónsi (June 1, 1977) is an Icelandic singer and member of the band Í Svörtum Fötum. He participated on behalf of Iceland in the Eurovision Song Contest 2004 and finished 19th with the song Heaven. He has also competed at Söngvakeppni Sjónvarpsins 2007, which is a television show to pick Iceland's song for the Eurovision Song Contest with the song Segðu Mér.
In 2012 Jónsi and Greta won the Icelandic pre-selection for the ESC in Baku with the song Mundu Eftir Mér. In Baku they will sing the English version of the song, Never Forget.