Davao del Norte's at-large congressional district is an obsolete congressional district that encompassed the entire province of Davao del Norte in the Philippines.
[1] The province of Davao del Norte was created as a result of the partition of Davao in 1967 and elected its first representative provincewide at-large during the 1969 Philippine House of Representatives elections.
[2] Lorenzo S. Sarmiento who served as representative of Davao's at-large congressional district during the partition was 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 del Norte elected three members for the regular parliament.