| County Longford | |
|---|---|
| Former county constituency for the House of Commons | |
| County | County Longford |
| 1801–1885 | |
| Seats | 2 |
| Created from | Longford (IHC) |
| Replaced by | |
| 1918–1922 | |
| Seats | 1 |
| Created from | |
| Replaced by | Longford–Westmeath |
County Longford was a parliamentary constituency in Ireland, which returned two Members of Parliament (MPs) to the House of Commons of the Parliament of the United Kingdom from 1801 to 1885, and one MP from 1918 to 1922.