Southern Leyte's at-large congressional district refers to the lone congressional district of the Philippines in the province of Southern Leyte.
[1] Southern Leyte first elected a single representative provincewide at-large representative for the 5th Congress of the Third Philippine Republic following its creation as a regular province separate from Leyte under Republic Act No.
[2] Before 1959, its territory was represented as part of Leyte's at-large, 2nd and 3rd districts.
Between 1978 and 1984, multi-seat regional delegations were formed in lieu of provinces for the Fourth Philippine Republic parliament known as the Interim Batasang Pambansa, with Southern Leyte forming part of the ten-seat Region VIII's at-large district.
11198 was signed, reapportioning Southern Leyte into two legislative districts.