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
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.