| Mayoko | |
| Settlement Type: | District |
| Mapsize: | 350px |
| Subdivision Type: | Country |
| Subdivision Name: | Republic of the Congo |
| Subdivision Type1: | Department |
| Subdivision Name1: | Niari Department |
| Unit Pref: | Imperial |
| Area Total Km2: | 3,368 |
| Population As Of: | 2023 census |
| Population Footnotes: | [1] |
| Population Total: | 8,098 |
| Population Density Km2: | auto |
| Timezone: | GMT +1 |
| Utc Offset: | +1 |
Mayoko District is a district in the Niari Department of Republic of the Congo.[2] The capital lies at Mayoko. It has a northern border with Gabon. As of 2007, the population is 5,147.[3]
Mayoko is served by a branch railway of the Congo–Ocean Railway that terminates in Mbinda. It lies near the border with Gabon.
Mayoko is near deposits of iron ore, which are very close to an existing railway line leading to a port.