Lunacy is the name used by at least four music groups, with wildly different styles.
1. A Swiss thrash metal band from Wettswil that had 8 releases between 1988 and 2004.
2. An American pagan folk duo, that released 2 full length cassettes in the early 1990s.
3. A Japanese visual kei band, that later re-named themselves as LUNA SEA. This tag should be used for their early demo-tapes only.
4. An American punk band from South Bay, California.
5. A Swedish Death Metal band based in Linköping. .