Regína Ósk Óskarsdóttir (born 21 December 1977, in Reykjavík) is an Icelandic singer. She has participated for Iceland in the Eurovision Song Contest in 2001, 2003, and 2005 as a backing vocal, and in 2008 as a member of Eurobandið with the song "This Is My Life". Alongside Friðrik Ómar, Regína achieved the 14th place in the final, resulting in Iceland's best showing since the Eurovision Song Contest 2003.