Maighréad Ní Dhomhnaill (; born 1955) is an Irish traditional singer from Kells, County Meath. She is known for her work with the short-lived, but very highly regarded Skara Brae and her collaborations with her sister Tríona Ní Dhomhnaill, as well as other traditional musicians. She has recorded and performed with the West Ocean String Quartet (WOSQ).