Davao City's 3rd congressional district

Davao City's 3rd congressional district is one of the three congressional districts of the Philippines in Davao City. It has been represented in the House of Representatives since 1987. The district covers five city districts located to the west and southwest of the city's poblacion or downtown commercial area, namely Baguio, Calinan, Marilog, Toril and Tugbok. It is currently represented in the 18th Congress by Isidro Ungab of the Lakas–CMD and Hugpong ng Pagbabago (HNP).

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 City's 3rd district for the House of Representatives of the Philippines

 * colspan="9" style="text-align:center;" | District created February 2, 1987 from Davao City's at-large district.
 * style="text-align:center;" | 1
 * style="color:inherit;background:;" |
 * Luis T. Santos
 * June 30, 1987
 * October 27, 1987
 * rowspan="2" style="text-align:center;" | 8th
 * Liberal
 * Elected in 1987. Resigned on appointment as Secretary of Local Government.
 * rowspan="13" style="text-align:center;" | 1987–present Baguio, Calinan, Marilog, Toril and Tugbok
 * style="text-align:center;" | —
 * vacant
 * October 27, 1987
 * June 30, 1992
 * No special election held to fill vacancy.
 * rowspan="2" style="text-align:center;" | 2
 * style="color:inherit;background:;" |
 * rowspan="2" | Elias B. Lopez
 * rowspan="2" | June 30, 1992
 * rowspan="2" | June 30, 1998
 * style="text-align:center;" | 9th
 * NPC
 * Elected in 1992.
 * style="color:inherit;background:;" |
 * style="text-align:center;" | 10th
 * Lakas
 * Re-elected in 1995.
 * rowspan="3" style="text-align:center;" | 3
 * style="color:inherit;background:;" |
 * rowspan="3" | Ruy Elias C. Lopez
 * rowspan="3" | June 30, 1998
 * rowspan="3" | June 30, 2007
 * style="text-align:center;" | 11th
 * LAMMP
 * Elected in 1998.
 * rowspan="2" style="color:inherit;background:;" |
 * style="text-align:center;" | 12th
 * rowspan="2" | NPC
 * Re-elected in 2001.
 * style="text-align:center;" | 13th
 * Re-elected in 2004.
 * rowspan="3" style="text-align:center;" | 4
 * rowspan="3" style="color:inherit;background:;" |
 * rowspan="3" | Isidro Ungab
 * rowspan="3" | June 30, 2007
 * rowspan="3" | June 30, 2016
 * style="text-align:center;" | 14th
 * rowspan="3" | Liberal
 * Elected in 2007.
 * style="text-align:center;" | 15th
 * Re-elected in 2010.
 * style="text-align:center;" | 16th
 * Re-elected in 2013.
 * style="text-align:center;" | 5
 * style="color:inherit;background:;" |
 * Alberto T. Ungab
 * June 30, 2016
 * June 30, 2019
 * style="text-align:center;" | 17th
 * HNP
 * Elected in 2016.
 * rowspan="2" style="text-align:center;" | (4)
 * style="color:inherit;background:;" |
 * rowspan="2" | Isidro Ungab
 * rowspan="2" | June 30, 2019
 * rowspan="2" | Incumbent
 * style="text-align:center;" | 18th
 * HNP
 * Elected in 2019.
 * style="color:inherit;background:;" |
 * style="text-align:center;" | 19th
 * Lakas (HNP)
 * Re-elected in 2022.
 * }
 * Elected in 2016.
 * rowspan="2" style="text-align:center;" | (4)
 * style="color:inherit;background:;" |
 * rowspan="2" | Isidro Ungab
 * rowspan="2" | June 30, 2019
 * rowspan="2" | Incumbent
 * style="text-align:center;" | 18th
 * HNP
 * Elected in 2019.
 * style="color:inherit;background:;" |
 * style="text-align:center;" | 19th
 * Lakas (HNP)
 * Re-elected in 2022.
 * }
 * Re-elected in 2022.
 * }