Joan Jett (born Joan Marie Larkin, September 22, 1958) is an American rock singer, songwriter, composer, musician, record producer and occasional actress.

Jett is best known for her work as the frontwoman of her band, Joan Jett & the Blackhearts, and for earlier founding and performing with the Runaways, which recorded and released the hit song "Cherry Bomb". The Blackhearts' version of the song "I Love Rock 'n Roll" was number-one on the Billboard Hot 100 for seven weeks in 1982 Jett's other notable hit songs include "Bad Reputation", "Crimson and Clover", "Do You Wanna Touch Me (Oh Yeah)", "Light of Day", "I Hate Myself for Loving You" and "Dirty Deeds".

Jett has a mezzo-soprano vocal range. She has three albums that have been certified Platinum or Gold, and has been a feminist icon throughout her career. She has been described as the Queen of Rock 'n' Roll and the Godmother of Punk In 2015, she was inducted into the Rock and Roll Hall of Fame.