| Official Name: | Koinadugu District |
| Coordinates: | 9.5°N -41°W |
| Subdivision Type: | Country |
| Subdivision Name: | Sierra Leone |
| Subdivision Type1: | Province |
| Subdivision Name1: | Northern Province |
| Seat Type: | Capital |
| Seat: | Kabala |
| Seat1 Type: | Largest city |
| Seat1: | Kabala |
| Government Type: | District Council |
| Leader Party: | APC |
| Leader Title: | District Council Chairman |
| Leader Name: | Alex Sorie Kontehhttps://electiondata.io/elected-officials/chairperson |
| Area Total Km2: | 12121 |
| Area Rank: | 1st |
| Population Footnotes: | [1] |
| Population Total: | 404,097 |
| Population As Of: | 2015 census |
| Population Density Km2: | auto |
| Blank Name Sec2: | HDI (2017) |
| Blank Info Sec2: | 0.340[2] · 14th |
| Timezone: | Greenwich Mean Time |
| Utc Offset: | 0 |
Koinadugu District is a district in the Northern Province of Sierra Leone. It is the largest District in Sierra Leone in geographical area, and one of the least densely populated. Its capital and largest city is Kabala, which is also one of the main cities in Northern Sierra Leone. The District of Koinadugu has a population of 404,097, based on the 2015 Sierra Leone national census; and has a total area of 12121km2. Koinadugu District is subdivided into eleven chiefdoms.
The District of Koinadugu borders Bombali on the west, Tonkolili District to the south-west, Kono District to the south, Falaba District to the east, and the Republic of Guinea to north east. Diamond mining is a major economic activity in the district, as well as agricultural production of rice, mango, cacao, and coconut.
The population of Koinadugu district is almost entirely made up of five main ethnic groups: the Kuranko, Mandingo, Fula, Limba, and Yalunka. These five ethnic groups are politically and culturally influential in Koinadugu District. Koinadugu District is overwhelmingly Muslim majority at over 90% and Islam dominates the religious and cultural practices in the district. There is also a small but significant minority Christian population in the district, and is mainly among the Limba people in the district.
The District of Koinadugu is governed with a district council form of government, which is headed by a District Council Chairman, who is responsible for the general management of the district and for seeing that all local laws are enforced. The District Council Chairman is elected directly by the residents of Koinadugu District. The Council Hall of Koinadugu District located in the district capital of Kabala. The current chairman of Koinadugu district council is Sheku Samuel Kamara of the All People's Congress (APC).[3]
Koinadugu District is by far the largest district in Sierra Leone and with an estimated population of 265,765. The major ethnic groups in the district are the Fula (who predominate in the district's largest city of Kabala), Kuranko (who predominate in the chiefdoms), Mandingo and Limba and Yalunka (predominant in Musaia and Falaba areas bordering the republic of Guinea (Conakry)).
Koinadugu District currently has 7 Representatives in the Parliament of Sierra Leone, of which one member wasn't elected to a 5-year term.
Gold mining is a major economic activity in the district, as well as agricultural productivity such as rice, mango, beans, cattle rearing, to name but few.
Prior to the 2017 local administrative reorganization, Koinadugu District was made up of eleven chiefdoms as the third level of administrative subdivision.
After the 2017 local administrative reorganization, Koinadugu District has made up of ten chiefdoms as the third level of administrative subdivision.