H.A.A.R.P. may refer to:
- High Frequency Active Auroral Research Program, an investigation project to understand, simulate and control ionospheric processes
- HAARP, a live album by English rock band Muse, named after the investigation
This disambiguation page lists articles associated with the title H.A.A.R.P..
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If an internal link led you here, you may wish to change the link to point directly to the intended article.