Congressional Districts of Cagayan de Oro City is the representation of the City of Cagayan de Oro in the Philippine House of Representatives. Cagayan de Oro City was first granted its own representation in 1984, prior to it, it was part of the representation of Misamis Oriental until 1972 and Region X from 1978 to 1984.
On February 22, 2007, President Gloria Macapagal-Arroyo signed House Bill 5859 creating the second congressional district in the city by splitting the present lone district into west and the east with the Cagayan de Oro River as the natural boundary.
1st District
- Barangays: Baikingon, Balulang, Bayabas, Bayanga, Besigan, Bonbon, Bulua, Canitoan, Carmen, Dansolihon, Iponan, Kauswagan, Lumbia, Mambuaya, Pagalungan, Pagatpat, Patag, Pigsag-an, San Simon, Taglimao, Tagpangi, Tignapoloan, Tuburan, Tumpagon
- Population (2007): 254,644
| Period | Representative |
|---|---|
| 14th Congress 2007–2010 |
Rep. Rolando A. Uy |
2nd District
- Barangays: Barangays 1-40 (City Proper), Agusan, Balubal, Bugo, Bulua, Camaman-an, Consolacion, Cugman, F.S. Catanico, Gusa, Indahag, Lapasan, Macabalan, Macasandig, Nazareth, Puerto, Puntod, Tablon
- Population (2007): 299,322
| Period | Representative |
|---|---|
| 14th Congress 2007–2010 |
Rep. Rufus B. Rodriguez |
Lone District (defunct)
- Population (2000):
| Period | Representative/Assemblyman |
|---|---|
| Regular Batasang Pambansa 1984–1986 |
Aquilino Q. Pimentel, Jr. |
| 8th Congress 1987–1992 |
Benedicta B. Roa |
| 9th Congress 1992–1995 |
Erasmo B. Damasing |
| 10th Congress 1995–1998 |
|
| 11th Congress 1998–2001 |
Constantino G. Jaraula |
| 12th Congress 2001–2004 |
|
| 13th Congress 2004–2007 |



