East Cavan was a parliamentary constituency in Ireland, which from 1885 to 1922 returned one Member of Parliament (MP) to the House of Commons of the United Kingdom of Great Britain and Ireland.
Prior to 1885 the area was part of the Cavan constituency. After 1922 the area was not represented in the UK Parliament.
This constituency comprised the eastern part of County Cavan, consisting of the baronies of Castlerahan and Clankee, and those parts of the baronies of Loughtee Upper and Tullygarvey not contained within the constituency of West Cavan.
| Election | Member | Party | |
|---|---|---|---|
| Thomas O'Hanlon | Nationalist | ||
| 1891 | Parnellite Nationalist | ||
| Samuel Young | Anti-Parnellite Nationalist | ||
| 1900 | Nationalist | ||
| 1918(b) | Arthur Griffith | ||
| 1922 | Constituency abolished: See Cavan (Dáil constituency). | ||