"Jack an Diane" is a 1982 hit song written and performed by American singer-songwriter, John Mellencamp, then performing as "John Cougar". It appears on Mellencamp's album American Fool. It was chosen by RIAA as one of the Songs of the Century. The single spent four weeks on the Billboard Hot 100 at number one in 1982, and, to date, is the biggest hit single ever for Mellencamp, especially with its accompanying music video.