| Country: | France |
| Previous Election: | 1952 |
| Next Election: | 1958 |
| Seats For Election: | All 60 seats in the Territorial Assembly |
| Majority Seats: | 31 |
| Election Date: | 31 March 1957 |
| Turnout: | 28.68% |
| Party1: | Sawaba |
| Leader1: | Djibo Bakary |
| Percentage1: | 64.52 |
| Last Election1: | New |
| Seats1: | 41 |
| Leader2: | Hamani Diori |
| Party2: | Nigerien Progressive Party – African Democratic Rally |
| Percentage2: | 29.96 |
| Last Election2: | 0 |
| Seats2: | 19 |
Territorial Assembly elections were held in Niger on 31 March 1957. The result was a victory for the Sawaba party, which won 41 of the 60 seats.[1] [2]