| Barnacullian | |
| Elevation M: | 703 |
| Location: | Wicklow, Republic of Ireland |
| Range: | Wicklow Mountains |
| Topo: | OSi Discovery 56 |
Barnacullian is a mountain in County Wicklow, Ireland, located just north of Wicklow Mountains National Park. At 703 metres (2,306 ft)[1] it is the 14th highest mountain in the Wicklow Mountains.
An eroding peat bog on the mountain is the focus of a pilot conservation effort.[2]