| Kota Kinabalu District | |
| Native Name: | Daerah Kota Kinabalu |
| Native Name Lang: | ms |
| Settlement Type: | District |
| Image Alt: | Kota Kinabalu City Hall |
| Leader Title: | Mayor of City Council |
| Leader Name: | Datuk Dr. Sabin Samitah |
| Leader Title2: | MP |
| Leader Name2: | |
| Leader Title3: | MLA |
| Leader Name3: |
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| Coordinates: | 5.9703°N 116.0706°W |
| Subdivision Type: | Country |
| Subdivision Name: |  Malaysia |
| Subdivision Type1: | State |
| Subdivision Type2: | Division |
| Subdivision Name2: | West Coast |
| Seat Type: | Capital |
| Seat: | Kota Kinabalu |
| Area Total Km2: | 352 |
| Population As Of: | 2020 |
| Population Total: | 500,425 |
| Population Density Km2: | auto |
The Kota Kinabalu District (Malay: Daerah Kota Kinabalu) is an administrative district in the Malaysian state of Sabah, part of the West Coast Division which includes the districts of Kota Belud, Kota Kinabalu, Papar, Penampang, Ranau and Tuaran. The capital of the district is in Kota Kinabalu City.
See also: Demographics of Sabah.
According to the 2020 census, the population of the district was 500,421. The main ethnic groups were the Chinese (20%), Kadazan-Dusun (15%), Bajaus (16%), Malays (8%) and Muruts (6%). As in most other parts of Sabah, there was also a significant number of illegal immigrants from the southern Philippines - mainly from the Sulu Archipelago and Mindanao - many of whom are not included in the population statistics.