Hissène Habré (Arabic: حسين حبري Ḥusaīn Ḥabrī, Chadian Arabic: pronounced [hiˈsɛn ˈhabre]; French pronunciation: ​[isɛn abʁe]; 13 August 1942 – 24 August 2021), also spelled Hissen Habré, was a Chadian politician and convicted war criminal who served as the 5th president of Chad from 1982 until he was deposed in 1990.

A member of Chad's northern population, Habré joined FROLINAT rebels in the first Chadian Civil War against the southern-dominated Chadian government. Due to a rift with fellow rebel commander Goukouni Oueddei, Habré and his Armed Forces of the North rebel army briefly defected to Felix Malloum's government against Oueddei before turning against Malloum, who resigned in 1979. Habré was then given the position of Minister of Defense under Chad's new transitional coalition government, with Oueddei as President. Their alliance quickly collapsed, and Habré's forces overthrew Oueddei in 1982.

Having become the country's new president, Habré created a one-party dictatorship ruled by his National Union for Independence and Revolution notorious for widespread human rights abuses. He was brought to power with the support of France and the United States, who provided training, arms, and financing throughout his rule due to his opposition to Libyan leader Muammar Gaddafi. He led the country during the Libyan-Chadian conflict, culminating in victory during the Toyota War from 1986 to 1987 with French support. He was overthrown three years later in the 1990 Chadian coup d'état by Idriss Déby and fled into exile in Senegal.

In May 2016, Habré was found guilty by an international tribunal in Senegal of human-rights abuses, including rape, sexual slavery, and ordering the killing of 40,000 people, and sentenced to life in prison. He was the first former head of state to be convicted for human rights abuses in the court of another nation. He died on 24 August 2021, after testing positive for COVID-19.