"Up All Night" is a song by the San Diego–based rock band Unwritten Law, released as the first single from the band's 2002 album Elva.

It was written by singer Scott Russo and produced by Michael "Miguel" Happoldt.

It was their second song to chart, reaching number 14 on Billboard's Modern Rock Tracks chart.

[1] [2] All lyrics are written by Scott Russo[2]