East Donegal was a UK Parliament constituency in County Donegal, Ireland, returning one Member of Parliament from 1885 to 1922.
Prior to the 1885 general election, the area was part of the Donegal constituency. From 1922, on the establishment of the Irish Free State, it was not represented in the UK Parliament.
This constituency comprised the eastern part of County Donegal, consisting of the baronies of Raphoe North and Raphoe South, that part of the barony of Inishowen West contained within the parish of Burt, and that part of the barony of Kilmacrenan not contained within the constituencies of North Donegal or West Donegal.
Book: Parliamentary Election Results in Ireland, 1801–1922. B.M.. Walker. Royal Irish Academy. 1978. Dublin. 0901714127.