South Cotabato's 3rd congressional district
| South Cotabato's 3rd congressional district | |
|---|---|
| Constituency for the House of Representatives of the Philippines | |
| Province | South Cotabato |
| Region | Soccsksargen |
| Population | 370,485 (2024) |
| Electorate | 222,412 (2025) |
| Major settlements | |
| Area | 2,347.33 km2 (906.31 sq mi) |
| Current constituency | |
| Created | 1987 |
| Representative | Dibu Tuan |
| Political party | Lakas–CMD |
South Cotabato's 3rd congressional district is a congressional district in South Cotabato that encompasses the western municipalities of Lake Sebu, Norala, Santo Niño, Surallah, and T'boli. It previously encompassed the Sarangani Bay region, a former territory of South Cotabato, from 1987 to 1995. It has been represented in the House of Representatives since 2025 and previously from 1987 to 1995. It is currently represented in the 20th Congress by Dibu Tuan of the Lakas–CMD.