Goukouni Oueddei (1944 – present) is a Chadian political figure, son of a derde of Teda .

Goukouni, from the northern half of the country, entered politics in the late 1960s as a militant in the National Liberation Front of Chad (FROLINAT) led by Abba Siddick . FROLINAT resented the political dominance enjoyed by southerners under the presidency of François Tombalbaye and advocated the participation of central and northern peoples. After Tombalbaye's assassination in 1975, tensions between the two geographical halves escalated into a convoluted civil war that involved several Chadian political groups, Libya, the United States, and France. The conflict was to last through the 1980s. Goukouni viewed the dictatorial Tombalbaye regime as an instrument of continued French hegemony in Chad.

Goukouni was installed as interim Chadian head of state on 23 March 1979. He was acclaimed President of the Government of National Unity (GUNT), which sought reconciliation between warring factions, on 10 November 1979. Goukouni, a Cold War neutralist who supported Libya, was head of state; Wadal Abdelkader Kamougué (a southern moderate) was vice president; Hissène Habré (a pro-West northerner) was minister of defence; and Acyl Ahmat Agbas (a strongly pro-Libyan Arab) was minister of foreign affairs.

Personal rivalries (especially between erstwhile allies Goukouni and Habré) limited the government's effectiveness and contributed to the perception of Goukouni as an indecisive puppet of Libyan leader Mu’ammar al-Qadhafi. There was even a Libyan proposal to annex Chad, which drew opposition from all ideological camps. In a last-ditch attempt to salvage his beleaguered government, Goukouni appointed Djidingar Dono Ngardoum as prime minister on 19 May 1982. The GUNT was, however, overthrown by Habré loyalists on 7 June 1982. Goukouni fled into Algerian exile, Acyl died in an unrelated accident, and Kamougué lost much of his base as Habré consolidated his power into a centralized military dictatorship.

By 1983, Goukouni returned to Chad with substantial Libyan assistance to fight the Habré régime through guerrilla warfare. He was the most recognized Chadian oppositionist, whose views carried significant weight, though Habré granted only limited concessions in an attempt to reconcile with Goukouni. The former president reportedly demanded a new constitution and liberalization of political party activity, which Habré did not accede to.