Lill Harriet Sandaune (born 27 October 1973) is a Norwegian politician for the Progress Party. She has served as an elected member of Malvik municipal council and Sør-Trøndelag county council. In the 2009 and 2013 elections she was elected as a deputy representative to the Parliament of Norway from Sør-Trøndelag. When Per Sandberg became a member of Solberg's Cabinet, she moved up to regular representative. She hails from Hommelvik and works as a teacher at .