Major-General David Nial Creagh, The O'Morchoe, (born 17 May 1928, Dublin, Ireland), also known as David O'Morchoe, was a former British Army officer.
The O'Morchoe was a President of the Royal British Legion branch in the Republic of Ireland, and also President of the Leinster Regiment historical association and President of the Tipperary Remembrance Trust.
He is the hereditary Chief and Prince of the Ó Murchadha (Murphy/Morrow) Sept, a cadet line of the ancient Irish dynasty the Uà Cheinnselaig, who were Kings of Leinster.