An Leabhar Muimhneach, also known as The Book of Munster, is an Irish genealogical manuscript.
An Leabhar Muimhneach is preserved in a number of 18th century manuscripts, the best been the work of the scribe Richard Tipper of Dublin, 1716-1717. Based on works compiled by Domhnall Ó Duinnín and Tadhg mac Dáire Mheic Bhruaideadha, in the early 17th century.