Eparchy of Western America

The term Eparchy of Western America or Diocese of Western America may refer to:


 * Serbian Orthodox Eparchy of Western America, an eparchy (diocese) of the Serbian Orthodox Church
 * Russian Orthodox Eparchy of Western America and San Francisco, an eparchy (diocese) of the Russian Orthodox Church Outside Russia
 * Armenian Eparchy of Western America, an eparchy (diocese) of the Armenian Apostolic Church, under the Holy See of Cilicia
 * Assyrian Eparchy of Western America, an eparchy (diocese) of the Assyrian Church of the East