Helena Majdaniec (5 October 1941 – 18 January 2002) was a Polish big beat singer and film actor, "the queen of Polish Twist". Helena Majdaniec cooperated with Niebiesko-Czarni, Czerwono-Czarni, Karin Stanek, Olivia Newton-John, Cliff Richard and Demis Roussos. She performed mainly in Szczecin and Paris.
Her singing is also available in the albums of the music groups she cooperated with.