Ali Amrozi bin Haji Nurhasyim was an Indonesian terrorist who was convicted and executed for his role in carrying out the Christmas Eve 2000 Indonesia bombings and 2002 Bali bombings. Amrozi was the brother of Huda bin Abdul Haq, also known as Muklas, who coordinated the bombing attack. Amrozi was executed together with Muklas and their co-conspirator, Imam Samudra.

A series of bombings occurred on 12 October 2002 in the tourist district of Kuta on the Indonesian island of Bali. The attacks killed 202 people and a further 209 people were injured. The Indonesian chief of police, General Da'i Bachtiar said that the bombings was the "worst act of terror in Indonesia's history".