Davao Oriental's at-large congressional district is an obsolete congressional district that encompassed the entire province of Davao Oriental in the Philippines.
[1] The province of Davao Oriental was created as a result of the partition of Davao in 1967 and elected its first representative provincewide at-large during the 1967 Philippine House of Representatives special elections.
[2] Constancio P. Maglana served as this district's first representative.
It was later absorbed by the multi-member Region XI's at-large district for the national parliament in 1978.
[1] In 1984, provincial and city representations were restored and Davao Oriental elected one member for the regular parliament.