"Living in Sin" is a song by American rock band Bon Jovi. It was written by lead singer Jon Bon Jovi. It was released in 1989 as the fifth single from the band's fourth album New Jersey. It also was the fifth single from New Jersey to chart in the Top 10, allowing Bon Jovi to hold the record for the most songs from a hard rock album to reach the Top 10 of the Billboard Hot 100. It peaked at #9 on that chart and #37 on the Mainstream rock charts.