Helena Josefsson (born March 23, 1978) is a Swedish singer, composer and lyric writer. She was born and resides in Lund, a city in Skåne in southern Sweden. Dynamo (2007) was her first solo-album.

Helena also plays keyboards and sings in the band Sandy Mouche. She got her first breakthrough when singing vocals behind Per Gessle on his "Mazarin" album (2003) which was a great success.
After this she continued with assisting Per on Gyllene Tider's anniversary album "Finn 5 Fel!" (2004). In late 2005 she was providing backup vocals and occasional leads on Per's "Son Of A Plumber" album.