Leitir Mhic an Bhaird or Leitir Mhic a' Bhaird (anglicised as Lettermacaward)[1] is a Gaeltacht village in the Rosses region of County Donegal, Ireland.

The village, known colloquially as Leitir (pronounced letcher), is between the larger towns of Glenties and Dungloe.

It is also a civil parish in the historic barony of Boylagh.

[2] There are approximately 650 people living in the Leitir Mhic an Bhaird ED and 19% Irish speakers.

The local Gaelic games club is Na Rossa.