Denis Rolleston Gwynn

Denis Rolleston Gwynn
Born(1893-03-06)6 March 1893
Dublin, Ireland
Died10 April 1971(1971-04-10) (aged 78)
Malahide, Ireland
NationalityIrish
OccupationNon-fiction writer
Academic background
Alma materUniversity Cork College
Academic work
DisciplineModern Irish history
InstitutionsUniversity College Dublin

Denis Rolleston Gwynn (6 March 1893–10 April 1971) was an Irish journalist, writer and professor of modern Irish history. He served in the British Army in World War I.