Pilip Ballach Ó Duibhgeannáin

Pilip Ballach Ó Duibhgeannáin (fl. 1579–1590) was an Irish historian.

A member of the Clan Ó Duibhgeannáin and a hereditary historian, Pilip was a resident of Cloonybrien, County Roscommon. With Brian na Carriag MacDermot and others he compiled the Annals of Lough Cé and various other manuscripts, including Miscellanea Historica Hibernica

Paul Walsh suggested that he was a son of Fer Caogad mac Ferghal Ó Duibhgeannáin, who died at Cloonybried in 1581.