| Croaghaun | |
| Elevation M: | 455 |
| Prominence M: | 120 |
| Language: | Irish |
| Location: | County Carlow, Ireland |
| Range: | Blackstairs Mountains |
| Map: | island of Ireland |
| Map Relief: | yes |
| Coordinates: | 52.6636°N -6.7675°W |
Croaghaun [1] is a mountain in County Carlow, Ireland, one of the Blackstairs Mountains.
Croaghaun is the most northerly summit in the Blackstairs Mountains. It is the 603rd highest summit in Ireland.