Lesley Sue Gore (born Lesley Sue Goldstein; May 2, 1946 – February 16, 2015) was an American singer, songwriter, actress and activist. At the age of 16, in 1963, she recorded the pop hit "It's My Party", and followed it up with other hits including "Judy's Turn to Cry" and "You Don't Own Me".

Gore also worked as an actress and composed songs with her brother Michael Gore for the 1980 film Fame, for which she was nominated for an Academy Award. She was active until 2014