| Coppanagh | |
| Other Name: | Sliabh Chopanaí |
| Elevation M: | 365 |
| Elevation Ref: | [1] |
| Prominence M: | 210 |
| Listing: | Marilyn |
| Location: | Kilkenny, Ireland |
| Map: | island of Ireland |
| Map Relief: | yes |
| Topo: | OSi Discovery 68 |
| Coordinates: | 52.539°N -7.041°W |
Coppanagh is a hill in County Kilkenny, Ireland. At 365 metres (1,198 ft) it is the second highest summit in Kilkenny behind Brandon Hill and the 886th highest summit in Ireland. Both Coppanagh and Brandon Hill are situated near Mount Alto.