On and On is the second studio album by Jack Johnson, who provided the vocals and guitars. It was released in 2003 on Universal Records. Adam Topol played drums and percussion while Merlo Podlewski played bass guitar. The album was recorded at The Mango Tree studios in Hawaii.

A different version of the track "Rodeo Clowns" was originally published as a collaboration with G. Love & Special Sauce on the latter's 1999 album Philadelphonic.

Johnson sang the chorus of his song "Gone" on the Black Eyed Peas' song "Gone Going", which appeared on their album Monkey Business. The song was nominated at the 2006 Grammy Awards for Best Pop Collaboration with Vocals.