Haarp can refer to three different bands: 1) haarp is a Sludge Metal band from New Orleans who are signed to Housecore Records. They have released a 2007 demo, an EP in 2009, their full length Housecore Records debut "The Filth" on November 23, 2010, and " Husks" on September 18, 2012. 2) HAARP is the electronic ambient project of Mirko Ruckels (AU) and Justin Robert (US). 3) HAARP is Rudi Gottsberger, a professional musician, audio engineer and video designer who lives in Vienna, the capital city of Austria.

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