"My Sharona" () is the debut single by American power pop band the Knack. The song was written by Berton Averre and Doug Fieger, and it was released in 1979 from their debut album, Get the Knack. It reached number one on the Billboard Hot 100 singles chart, where it remained for six weeks, and was number one on Billboard's 1979 Top Pop Singles year-end chart.
It was certified gold by the Recording Industry Association of America, representing 1,000,000 copies sold, and was Capitol Records' fastest gold status debut single since the Beatles' "I Want to Hold Your Hand" in 1964. It has since gone on to sell more than 10 million copies as of 2010, becoming one of the best-selling singles of all time.