Margaret of Huntingdon (c. 1194 - c. 1228) was the eldest daughter of David of Scotland, 8th Earl of Huntingdon by his wife, Matilda of Chester, daughter of Hugh de Kevelioc, 3rd Earl of Chester and Bertrada de Montfort-l'Amauri. She was born in Galloway, Wigtownshire, Scotland.
She married, as his third wife, Alan, Lord of Galloway at Dundee in 1209. They were reprimanded for marrying within the forbidden limits of kinship and had to obtain a dispensation by Pope Innocent III. Their children were:
Margaret was dead by 1228, when Alan remarried for a third or fourth time.