Iran–United States relations during the George W. Bush administration

Iran–United States relations during the George W. Bush administration (2001–2009) were marked by heightened tensions, mutual distrust, and periodic attempts at limited engagement. Following the September 11 attacks in 2001, Iran initially was sympathetic with the United States. However, relations deteriorated sharply after President George W. Bush labeled Iran part of the "Axis of Evil" in 2002, accusing the country of pursuing weapons of mass destruction that posed a threat to the U.S. In 2003, Swiss Ambassador Tim Guldimann relayed an unofficial proposal to the U.S. outlining a possible "grand bargain" with Iran. He claimed it was developed in cooperation with Iran, but it lacked formal Iranian endorsement, and the Bush administration did not pursue the offer.

Between 2003 and 2008, Iran accused the United States of repeatedly violating its territorial sovereignty through drone incursions, covert operations, and support for opposition groups. In August 2005, Mahmoud Ahmadinejad became Iran's president. During his presidency, attempts at dialogue, including a personal letter to President Bush, were dismissed by U.S. officials, while public tensions grew over Iran’s nuclear program, U.S. foreign policy, and Ahmadinejad’s controversial remarks at international forums.

The United States intensified covert operations against Iran, including alleged support for militant groups such as PEJAK and Jundullah, cross-border activities, and expanded CIA and Special Forces missions. Iran was repeatedly accused by the U.S. of arming and training Iraqi insurgents, including Shiite militias and groups linked to Hezbollah, with American officials citing captured weapons, satellite images, and detainee testimonies. During this period, additional flashpoints included the U.S. raid on Iran's consulate in Erbil, sanctions targeting Iranian financial institutions, a naval dispute in the Strait of Hormuz, and the public disclosure of covert action plans against Iran.