Oyan
| Dam Name | Oyan |
| River | Oyan |
| Main Basin | West Coast |
| Sub Basin | Ogun |
| Near City | Abeokuta |
| Administration City | Ogun |
| Country | Nigeria |
| Year | 1983 |
| Dam Height | 30 |
| Dam Length | -99 |
| Area(Sqkm) | 26.6 |
| Area(Polygonal) | 26.6 |
| Capital Expenditure | 270 |
| Depth(M) | 10.2 |
| Avg Displacement Of Water | 54239 |
| Catchment Area In Sqkm | 9166 |
| Main Usage | Irrigation |
| Status | 3: Fair |
| Longitude | 3.254583 |
| Latitude | 7.262083 |
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