Murrough na dTuadh Ó Flaithbheartaigh, anglicised Sir Murrough O'Flaherty (died 1593) was Chief of Iar Connacht, .
Great-great-great-grandson of Brian na Noinseach, son of Donall na Comthach Ó Flaithbheartaigh (who was, in turn, a great-great-grandson of Ruaidri of Lough Cime).
Appointed Chief of the Name by Elizabeth I.
Included in the 1585 Composition of Connacht.