| South Roscommon | |
|---|---|
| Former county constituency for the House of Commons | |
| 1885–1922 | |
| Seats | 1 |
| Created from | Roscommon |
| Replaced by | Mayo South–Roscommon South |
South Roscommon was a UK Parliament constituency in Ireland, returning one Member of Parliament from 1885 to 1922.
Prior to the 1885 general election the area was part of the Roscommon constituency. From 1922, on the establishment of the Irish Free State, it was not represented in the UK Parliament.