Davao Oriental's 1st congressional district

Davao Oriental's 1st congressional district is one of the two congressional districts of the Philippines in the province of Davao Oriental. It has been represented in the House of Representatives since 1987. The district covers the northern municipalities of Baganga, Boston, Caraga, Cateel, Manay and Tarragona. It is currently represented in the 19th Congress by Nelson Dayanghirang of the Nacionalista Party (NP).

Representation history
{| class=wikitable ! rowspan="2" | # ! rowspan="2" colspan=2 | Member ! colspan=2 | Term of office ! rowspan="2" | Congress ! rowspan="2" | Party ! rowspan="2" | Electoral history ! rowspan="2" | Constituent LGUs !Start!!End
 * colspan="9" style="text-align:center;" |
 * colspan="9" style="text-align:center;" |

Davao Oriental's 1st district for the House of Representatives of the Philippines

 * colspan="9" style="text-align:center;" | District created February 2, 1987. Redistricted from Davao Oriental's at-large district.
 * style="text-align:center;" | 1
 * style="color:inherit;background:;" |
 * Enrico G. Dayanghirang
 * June 30, 1987
 * June 30, 1992
 * style="text-align:center;" | 8th
 * PDP–Laban
 * Elected in 1987.
 * rowspan=99 style="text-align:center;" | 1987–present Baganga, Boston, Caraga, Cateel, Manay, Tarragona
 * rowspan="3" style="text-align:center;" | 2
 * style="color:inherit;background:;" |
 * rowspan="3" | Maria Elena Palma Gil
 * rowspan="3" | June 30, 1992
 * rowspan="3" | June 30, 2001
 * style="text-align:center;" | 9th
 * NPC
 * Elected in 1992.
 * rowspan="2" style="color:inherit;background:;" |
 * style="text-align:center;" | 10th
 * rowspan="2" | Lakas
 * Re-elected in 1995.
 * style="text-align:center;" | 11th
 * Re-elected in 1998.
 * rowspan="2" style="text-align:center;" | 3
 * style="color:inherit;background:;" |
 * rowspan="2" | Corazon Nuñez Malanyaon
 * rowspan="2" | June 30, 2001
 * rowspan="2" | June 30, 2007
 * style="text-align:center;" | 12th
 * NPC
 * Elected in 2001.
 * style="color:inherit;background:;" |
 * style="text-align:center;" | 13th
 * KAMPI
 * Re-elected in 2004.
 * rowspan="3" style="text-align:center;" | 4
 * rowspan="3" style="color:inherit;background:;" |
 * rowspan="3" | Nelson Dayanghirang
 * rowspan="3" | June 30, 2007
 * rowspan="3" | June 30, 2016
 * style="text-align:center;" | 14th
 * rowspan="3" | Nacionalista
 * Elected in 2007.
 * style="text-align:center;" | 15th
 * Re-elected in 2010.
 * style="text-align:center;" | 16th
 * Re-elected in 2013.
 * rowspan="2" style="text-align:center;" | (3)
 * rowspan="2" style="color:inherit;background:;" |
 * rowspan="2" | Corazon Nuñez Malanyaon
 * rowspan="2" | June 30, 2016
 * rowspan="2" | June 30, 2022
 * style="text-align:center;" | 17th
 * rowspan="2" | Nacionalista
 * Elected in 2016.
 * style="text-align:center;" | 18th
 * Re-elected in 2019.
 * style="text-align:center;" | (4)
 * style="color:inherit;background:;" |
 * Nelson Dayanghirang
 * June 30, 2022
 * Incumbent
 * style="text-align:center;" | 19th
 * Nacionalista
 * Elected in 2022.
 * }
 * style="text-align:center;" | 18th
 * Re-elected in 2019.
 * style="text-align:center;" | (4)
 * style="color:inherit;background:;" |
 * Nelson Dayanghirang
 * June 30, 2022
 * Incumbent
 * style="text-align:center;" | 19th
 * Nacionalista
 * Elected in 2022.
 * }
 * Elected in 2022.
 * }