| width="18%" |Tenure | width="35%" |Incumbent | width="7%" |Affiliation | width="10%" |Notes |
| olspan="4"|Republic of Chad ('Rpublique du Tchad') |
| small>11 August 1960 to 23 April 1962 | Franois Tombalbaye, Head of State | rowspan="2"|PPT | |
| small>23 April 1962 to 30 August 1973 | Franois Tombalbaye, President | Changed name to N’Garta Tombalbaye |
| small>30 August 1973 to 13 April 1975 | N’Garta Tombalbaye, President | MNRCS | (contd.); Previously named Franois Tombalbaye;
Died in office |
| small>13 April 1975 to 15 April 1975 | Nol Milarew Odingar, interim Head of State | Mil | |
| small>15 April 1975 to 12 May 1975 | Flix Malloum N'Gakoutou, Chairman of the Higher Military Council | rowspan="3"|Mil | |
| small>12 May 1975 to 29 August 1978 | Flix Malloum N'Gakoutou, Head of State | |
| small>29 August 1978 to 23 March 1979 | Flix Malloum N'Gakoutou, President | |
| small>23 March 1979 to 29 April 1979 | Goukouni Oueddei, Chairman of the Provisional Council of State | FROLIANT-FAP | 1st Term |
| small>29 April 1979 to 3 September 1979 | Lol Mohamed Shawa, President of Transitional Government of National Union | MPLT | |
| small>3 September 1979 to 10 November 1979 | Goukouni Oueddei, Chairman of the Provisional Administrative Committee | rowspan="2"|FROLIANT-FAP | rowspan="2"|2nd Term |
| small>10 November 1979 to 7 June 1982 | Goukouni Oueddei, President of Transitional Government of National Union |
| small>7 June 1982 to 19 June 1982 | Hissne Habr, Chairman of the Command Council of the Armed Forces of the North | rowspan="3"|FAN | |
| small>19 June 1982 to 21 October 1982 | Hissne Habr, Chairman of the Council of State | |
| small>21 October 1982 to 1984 | rowspan="2"|Hissne Habr, President | |
| small>1984 to 1 December 1990 | UNIR | (contd.) |
| small>1984 to 2 December 1990 | Jean Alingue Bawoyeu, acting President | UDR | |
| small>2 December 1990 to 4 December 1990 | Lieutenant-General Idriss Dby, President of the Patriotic Salvation Movement | rowspan="3"|MPS | |
| small>4 December 1990 to 4 March 1991 | Lieutenant-General Idriss Dby, Head of State | |
| small>4 March 1991 to present | Lieutenant-General Idriss Dby, President | |
| small> | Nassour Guelendouksia Ouaido, acting President | MPS | For Dby |
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