"A Teenager in Love" is a song written by Doc Pomus and partner Mort Shuman. It was originally recorded by Dion and the Belmonts, and released in March 1959. It appeared on their album Presenting Dion and the Belmonts (1959). It reached number 5 on the Billboard pop charts. In May 1959, three different versions of the song held positions on the British Top 20, the other two versions being by Marty Wilde and Craig Douglas.