Mackoght or Macoght (from Irish Mac Uchta, meaning 'son of the mountain-breast'), also called Little Errigal or Wee Errigal (Irish: an Earagail Bheag), is a 555 metres (1,821 ft) tall mountain in County Donegal, Ireland.

The mountain is the second most southern and second lowest of the mountain chain called the Seven Sisters by locals. The Seven Sisters are Muckish, Crocknalaragagh, Aghla Beg, Ardloughnabrackbaddy, Aghla More, Mackoght and Errigal. The Seven Sisters are part of the Derryveagh Mountains. Mackoght is also the 351st tallest peak in Ireland.

Media related to Mackoght at Wikimedia Commons