| South Longford | |
|---|---|
| Former county constituency for the House of Commons | |
| 1885–1918 | |
| Seats | one |
| Created from | Longford |
| Replaced by | Longford |
South Longford was a parliamentary constituency in Ireland, which returned one Member of Parliament (MP) to the House of Commons of the Parliament of the United Kingdom.
Before the 1885 general election and after the dissolution of Parliament in 1918 the area was part of the Longford constituency.