| Country: | Chad |
| Previous Election: | 1957 |
| Next Election: | 1962 |
| Election Date: | 31 May 1959 |
| Seats For Election: | All 84 seats in the National Assembly |
| Registered: | 1,262,985 |
| Turnout: | 46.05% |
| Party1: | PPT–RDA |
| Leader1: | François Tombalbaye |
| Percentage1: | 68.70 |
| Seats1: | 57 |
| Last Election1: | 32 |
| Party2: | Grouping of Rural and Independent Chadians |
| Leader2: | Gontchomé Sahoulba |
| Last Election2: | 9 |
| Seats2: | 2 |
| Percentage2: | 7.82 |
| Party3: | Independent Democratic Union of Chad |
| Last Election3: | New |
| Seats3: | 16 |
| Percentage3: | 7.27 |
| Party4: | Chadian Social Action |
| Last Election4: | 7 |
| Seats4: | 9 |
| Percentage4: | 4.50 |
Parliamentary elections were held in Chad on 31 May 1959. The result was a victory for the Chadian Progressive Party, which won 57 of the 84 seats in the enlarged National Assembly.