| Ardloughnabrackbaddy | |
| Other Name: | Ard Loch na mBreac Beadaí |
| Elevation M: | 603 |
| Range: | Seven Sisters |
| Listing: | Mountains of Ireland |
| Location: | County Donegal, Ireland |
| Map: | Ireland |
| Label Position: | right |
| Map Size: | 240 |
| Coordinates: | 55.0679°N -8.0713°W |
| Fetchwikidata: | ALL |
Ardloughnabrackbaddy (Irish: '''Ard Loch na mBreac Beadaí''') is a peak in County Donegal, Ireland, with a height of 603m.
It sits above Loughnabrackbaddy (a lake) and is the middle summit and third highest of the "Seven Sisters". The Seven Sisters are part of the Derryveagh range and includes Muckish, Crocknalaragagh, Aghla Beg, Ardloughnabrackbaddy, Aghla More, Mackoght and Errigal.