Casualties of War is the fourth studio album by American hip hop supergroup Boot Camp Clik.

It was released on August 14, 2007 through Duck Down Music, and is compiled of leftover tracks recorded for the group's previous album, 2006's The Last Stand.

Production was handled by Coptic, Dan the Man, Soul G, Marco Polo, 9th Wonder, Chris the Four, Dub Z, Fred Bear, Jaywan Inc., Marvel da Beat Bandit, Moods and Vibrations Prod.

and Nottz, with Buckshot and Drew "Dru-Ha" Friedman serving as executive producers.

's Louieville Sluggah being the only absent member, as well as guest appearances from Ruste Juxx, Supreme, 5ft, Blue Flame and G-Tang.