Territorial Assembly elections were held in Chad on 31 March 1957. The result was a victory for the Entente alliance, led by the Chadian Progressive Party, which won 57 of the 65 seats.
Chadian Territorial Assembly election, 1957 Wikipedia
The Entente and Chadian Social Action ran a single list in Ouaddaï, competing against the African Socialist Movement.
a Within the Entente, the Chadian Progressive Party won 32 seats, the Grouping of Rural and Independent Chadians won nine, the Democratic and Socialist Union of the Resistance won 7, Radicals and Radical Socialists won 7, the Independent Socialist Party of Chad won 1.
Following the elections, the result in Chari-Baguirmi was annulled, with a by-election held on 1 June 1958. The 7-seat constituency had been won by the Entente, but the by-election saw a victory for the Chadian Socialist Union.