"Obscurity Knocks" is a song by Scottish band The Trash Can Sinatras, which was released in 1990 as an extended play from their debut studio album Cake. It was written by all five band members and produced by Roger Béchirian. The EP reached No. 86 in the UK and remained on the chart for four weeks. In 1991, the song reached No. 12 on the Billboard Modern Rock Tracks chart.

Trashcan Sinatras are a Scottish band that were formed in Irvine, Scotland in 1986. The band's music makes frequent use of pop harmonies and wordplay.