|Coalition of Western States|
|Motto: Defend the Southwest|
|Headquarters.||Salt Lake City, Utah, Southwest Republic|
|Largest City.||Los Angeles, California Commonwealth|
|Official language||English and Spanish|
|Formation:||September 22, 2005|
|Disbandment:||March 24, 2007|
The Coalition of Western States (Spanish: Coalición de Estados del Oeste) was a military and political alliance between the Southwest Republic, Republic of Texas and the Californian Commonwealth. The alliance was formed in response to the increasingly aggressive from the federal government in Washington, D.C., which was subsequently destroyed by the Philadelphia government in 2005.