| Necessary Evil | |
| Type: | album |
| Artist: | Salem |
| Cover: | Salem_Evil.jpg |
| Released: | June 19, 2007 |
| Genre: | Death metal, oriental metal |
| Label: | Season of Mist |
| Prev Title: | Strings Attached |
| Prev Year: | 2005 |
| Next Title: | Playing God and Other Short Stories |
| Next Year: | 2010 |
Necessary Evil is the sixth studio album by Israeli death metal band Salem, released on June 19, 2007.
The album includes the band's longest music piece, "Once Upon a Lifetime", which lasts more than 20 minutes, although it is divided into 5 parts in the album.
Tracks 1-9 are by Salem & Nir Nakav.Tracks 10-14 are by Nir Nakav.