HARM or H.A.R.M. may refer to:AGM-88 HARM, a high-speed anti-radiation missile Historic Aircraft Restoration Museum, a museum in Creve Coeur, Missouri, United States A fictional terrorist organisation in the video games The Operative: No One Lives Forever and No One Lives Forever 2: A Spy in H.A.R.M.'s Way Human Aetiological Relations Machine, an organisation in the 1966 film Agent for H.A.R.M. Hoosier Anti-Racist Movement, an Antifa cell based in Indiana associated with Anti-Racist Action