Pernilla Karlsson (born 11 June 1990) is a Finnish singer. She was born in a Swedish-speaking minority in Siuntio in Southern Finland. Karlsson represented Finland in the Eurovision Song Contest 2012 with her entry "När jag blundar". The song finished 12th in the first semi-final and failed to qualify for the Eurovision final.

She has since worked for the radio station Yle X3M.