| Official Name: | Assin Fosu |
| Other Name: | Assin Fosu |
| Settlement Type: | Considered as a secondary city and Municipal Capital |
| Pushpin Map: | Ghana |
| Pushpin Label Position: | bottom |
| Pushpin Map Caption: | Location of Assin Fosu in Central Region |
| Subdivision Type: | Country |
| Subdivision Name: |  Ghana |
| Subdivision Type1: | Region |
| Subdivision Name1: | Central Region |
| Subdivision Type2: | District |
| Subdivision Name2: | Assin Central Municipal Assembly |
| Unit Pref: | Imperial |
| Population As Of: | 2013 |
| Population Note: | Ranked 65th in Ghana |
| Population Total: | 80,541[1] |
| Population Demonym: | Assin Fosan |
| Timezone: | GMT |
| Timezone Dst: | GMT |
| Coordinates: | 5.7°N -1.2778°W |
| Elevation M: | 107 |
| Blank Name: | Ethnicity |
| Blank Info: | Akan people |
Assin Fosu is the capital of Assin Central Municipal Assembly, in the Central Region of Ghana, considered as a secondary city.[2] Assin Fosu is the 65th most populous settlement in Ghana, with a population of 70,541.[1] The town is known for the Obiri Yeboah Secondary School School.[3] [4] The school is a second cycle institution.[5]