War against Islam

War against Islam, also called the War on Islam or Attack on Islam, is a conspiracy theory narrative in Islamist discourse to describe an alleged conspiracy to harm, weaken or annihilate the societal system of Islam, using military, economic, social and cultural means. The perpetrators of the conspiracy are alleged to be non-Muslims, particularly the Western world and "false Muslims", allegedly in collusion with political actors in the Western world. While the contemporary conspiracy theory narrative of the "War against Islam" mostly covers general issues of societal transformations in modernization and secularization as well as general issues of international power politics among modern states, the crusades are often narrated as its alleged starting point.

The phrase or similar phrases have been used by Islamists such as Sayyid Qutb,Ayatollah Khomeini,Anwar al-Awlaki,Osama bin Laden, Chechen militant Dokka Umarov, cleric Anjem Choudary, and Fort Hood murderer Nidal Malik Hasan. The English-language political neologism of "War on Islam" was coined in Islamist discourse in the 1990s and popularized as a conspiracy theory only after 2001.

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