| Election Name: | 2004 Zamboanga City mayoralty election |
| Type: | presidential |
| Ongoing: | no |
| Previous Election: | 2001 Philippine general election |
| Previous Year: | 2001 |
| Next Election: | 2007 Zamboanga City local elections |
| Next Year: | 2007 |
| Election Date: | May 10, 2004 |
| Nominee1: | Celso Lobregat |
| Party1: | Laban ng Demokratikong Pilipino |
| Running Mate1: | Maria Isabelle Climaco |
| Popular Vote1: | 104,075 |
| Nominee2: | Lepeng Wee |
| Party2: | Independent (politician) |
| Running Mate2: | Jaime Cabato |
| Popular Vote2: | 59,989 |
| Nominee3: | Charlie Mariano |
| Party3: | Independent (politician) |
| Popular Vote3: | 45,323 |
| Mayor | |
| Before Election: | Erico Basilio Fabian |
| After Election: | Celso Lobregat |
| Before Party: | Laban ng Demokratikong Pilipino |
| After Party: | Laban ng Demokratikong Pilipino |
Local elections were held in Zamboanga City on May 10, 2004, within the Philippine general election. The voters elected for the elective local posts in the city: the mayor, vice mayor, 12 councilors and one representative from its lone district.
Mayor Maria Clara Lobregat died of complications in January 2004, paving the mayoralty race for the ruling Laban ng Demokratikong Pilipino wide open since she was the presumptive nominee running for a third term. Vice-Mayor Erbie Fabian took her place as acting mayor.
Lobregat's son, incumbent Congressman Celso Lobregat became the standard-bearer of the LDP, and incumbent Mayor Fabian will run for the post left by Celso. Celso picked Councilor Beng Climaco as his running-mate.
The candidate for district representative, mayor, and vice mayor with the highest number of votes wins the seat; they are voted separately; therefore, they may be of different parties when elected.
Incumbent Vice-Mayor Erbie Fabian is running for the post against former Mayor Manuel Dalipe.
Incumbent Congressman Celso Lobregat is running for mayor against prominent businessman Lepeng Wee and Councilor Charlie Mariano.
The vice-mayorship is vacant since Vice-Mayor Erbie Fabian took office upon Mayor Lobregat's death. Incumbent Councilor Beng Climaco runs against veteran politician Jaime Cabato.
Zamboanga City elects twelve councilors to the city council. The twelve candidates with the highest number of votes wins the seats.
| Election Name: | 2004 Zamboanga City Council election |
| Type: | legislative |
| Ongoing: | no |
| Previous Election: | Zamboanga City local elections, 2001#City Council elections |
| Previous Year: | 2001 |
| Next Election: | Zamboanga City local elections, 2007#City Council elections |
| Next Year: | 2007 |
| Seats For Election: | All 12 seats from Zamboanga City's lone district |
| Election Date: | May 10, 2004 |
| Majority Seats: | 7 |
| Leader1: | Celso Lobregat |
| Party1: | Laban ng Demokratikong Pilipino |
| Leaders Seat1: | 1st District |
| Seats Before1: | 12 |
| Seats1: | 10 |
| Seat Change1: | 2 |
| Leader2: | Lepeng Wee |
| Party2: | Independent (politician) |
| Leaders Seat2: | 1st District |
| Seats Before2: | 0 |
| Seats2: | 0 |
| Coalition | Mayoral/vice mayoral candidate | Total votes | Total seats | ||||
|---|---|---|---|---|---|---|---|
| Total | % | Total | % | ||||
| 12 | 86% | ||||||
| Lepeng Wee | 0 | 0% | |||||
| align=left colspan=3 | Total valid votes cast ! | N/A | |||||
| align=left colspan=3 | Total turnout ! | ||||||
| align=left colspan=5 | Total partisan seats ! | 16 | 88.9% | ||||
| align=left colspan=5 | Seat for Association of Barangay Captains President | 1 | 5.6% | ||||
| align=left colspan=5 | Seat for Association of Sangguniang Kabataan chairmen President | 1 | 5.6% | ||||
| align=left colspan=5 | Total non-partisan seats ! | 2 | 11.1% | ||||
| Total seats | 14 | 100.0% | |||||
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