| Tenure |
Portrait |
Incumbent |
Affiliation |
Notes |
| Republic of Chad |
Independence from France |
| (République du Tchad) |
| 11 August 1960 to 23 April 1962 |
|
François Tombalbaye, Head of State |
PPT |
|
| 23 April 1962 to 30 August 1973 |
François Tombalbaye, President |
Changed name to N’Garta Tombalbaye |
| 30 August 1973 to 13 April 1975 |
N’Garta Tombalbaye, President |
MNRCS |
Previously named François Tombalbaye;
Killed in the 1975 coup d'etat |
| 13 April 1975 to 15 April 1975 |
|
Noël Milarew Odingar, interim Head of State |
Mil |
|
| 15 April 1975 to 12 May 1975 |
|
Félix Malloum N'Gakoutou, Chairman of the Supreme Military Council |
Mil |
|
| 12 May 1975 to 29 August 1978 |
Félix Malloum N'Gakoutou, Head of State |
|
| 29 August 1978 to 23 March 1979 |
Félix Malloum N'Gakoutou, President |
Resigned |
| 23 March 1979 to 29 April 1979 |
|
Goukouni Oueddei, Chairman of the Provisional Council of State |
FROLINAT-FAP |
1st Term |
| 29 April 1979 to 3 September 1979 |
|
Lol Mahamat Choua, President of the Transitional Government of National Unity |
MPLT |
|
| 3 September 1979 to 10 November 1979 |
|
Goukouni Oueddei, Chairman of the Provisional Administrative Committee |
FROLINAT-FAP |
2nd Term; Deposed |
| 10 November 1979 to 7 June 1982 |
Goukouni Oueddei, President of the Transitional Government of National Unity |
| 7 June 1982 to 19 June 1982 |
|
Hissène Habré, Chairman of the Command Council of the Armed Forces of the North |
FAN |
|
| 19 June 1982 to 21 October 1982 |
Hissène Habré, Chairman of the Council of State |
|
| 21 October 1982 to 1984 |
Hissène Habré, President |
|
| 1984 to 2 December 1990 |
UNIR |
Deposed |
| 2 December 1990 to 4 December 1990 |
|
Idriss Déby, President of the Patriotic Salvation Movement |
MPS |
|
| 4 December 1990 to 4 March 1991 |
Idriss Déby, Head of State |
|
| 4 March 1991 to Present |
Idriss Déby, President |
|