| Yomou Prefecture | |
| Settlement Type: | Prefecture |
| Mapsize: | 300px |
| Pushpin Label Position: | bottom |
| Pushpin Map Caption: | Location in Guinea |
| Subdivision Type: | Country |
| Subdivision Name: |  Guinea |
| Subdivision Type1: | Region |
| Subdivision Name1: | Nzérékoré Region |
| Subdivision Type2: | Capital |
| Subdivision Name2: | Yomou |
| Area Total Km2: | 3920 |
| Population As Of: | 2014 census |
| Population Total: | 114371 |
| Population Density Km2: | auto |
| Population Blank1 Title: | Ethnicities |
| Timezone: | Guinea Standard Time |
| Utc Offset: | +0 |
Yomou is a prefecture located in the Nzérékoré Region of Guinea. The capital and principal town of the prefecture is Yomou. The prefecture covers an area of 3,920 km.² and has an estimated population of 114,371.
As of 2005, Yomou town is estimated to have a population of around 12,000. The town is an important trading centre for the Guinea Highlands area.
The prefecture is divided administratively into 7 sub-prefectures: