Zamboanga City's 1st congressional district

Zamboanga City's 1st congressional district is one of the two congressional districts of the Philippines in Zamboanga City. It has been represented in the House of Representatives since 2007. It was created by the 2004 reapportionment that divided the city into two congressional districts and which took effect in 2007. The district is composed of 38 barangays in the city's west coast and includes most of its downtown commercial core. It is currently represented in the 19th Congress by Khymer Adan Olaso of the Adelante Zamboanga Party.

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;" |

Zamboanga City's 1st district for the House of Representatives of the Philippines

 * colspan="9" style="text-align:center;" | District created March 19, 2004 from Zamboanga City's at-large district.
 * rowspan="2" style="text-align:center;" | 1
 * rowspan="2" style="color:inherit;background:;" |
 * rowspan="2" | Beng Climaco
 * rowspan="2" | June 30, 2007
 * rowspan="2" | June 30, 2013
 * style="text-align:center;" | 14th
 * rowspan="2" | Liberal
 * Elected in 2007.
 * rowspan="6" style="text-align:center;" | 2007–present Ayala, Bagong Calarian, Baliwasan, Baluno, Cabatangan, Camino Nuevo, Campo Islam, Canelar, Capisan, Cawit, Dulian (Upper Pasonanca), La Paz, Labuan, Limpapa, Maasin, Malagutay, Mariki, Pamucutan, Pasonanca, Patalon, Recodo, Rio Hondo, San Jose Cawa-Cawa, San Jose Gusu, San Roque, Santa Barbara, Santa Maria, Santo Niño, Sinubung, Sinunuc, Talisayan, Tulungatung, Tumaga, Zone 1, Zone 2, Zone 3, Zone 4
 * style="text-align:center;" | 15th
 * Re-elected in 2010.
 * rowspan="2" style="text-align:center;" | 2
 * style="color:inherit;background:;" |
 * rowspan="2" | Celso Lobregat
 * rowspan="2" | June 30, 2013
 * rowspan="2" | June 30, 2019
 * style="text-align:center;" | 16th
 * LDP
 * Elected in 2013.
 * style="color:inherit;background:;" |
 * style="text-align:center;" | 17th
 * PDP–Laban
 * Re-elected in 2016.
 * style="text-align:center;" | 3
 * style="color:inherit;background:;" |
 * Cesar L. Jimenez Jr.
 * June 30, 2019
 * Incumbent
 * style="text-align:center;" | 18th
 * PDP–Laban
 * Elected in 2019.
 * style="text-align:center;" | 4
 * style="color:inherit;background:;" |
 * Khymer Adan T. Olaso
 * June 30, 2022
 * Incumbent
 * style="text-align:center;" | 19th
 * Adelante Zamboanga Party
 * Elected in 2022.
 * }
 * Khymer Adan T. Olaso
 * June 30, 2022
 * Incumbent
 * style="text-align:center;" | 19th
 * Adelante Zamboanga Party
 * Elected in 2022.
 * }