| Patrick Duffy | |
| Office: | Teachta Dála |
| Term Start: | August 1923 |
| Term End: | June 1927 |
| Constituency: | Monaghan |
| Party: | Cumann na nGaedheal |
| Birth Date: | 28 July 1875 |
| Birth Place: | Castleblayney, County Monaghan, Ireland |
| Spouse: | Sarah Lawless |
| Children: | 8 |
| Allegiance: | Irish Volunteers |
| Battles: | Irish War of Independence |
Patrick Duffy (28 July 1875 – 21 July 1946) was an Irish Cumann na nGaedheal politician. He was first elected to Dáil Éireann as a Cumann na nGaedheal Teachta Dála (TD) for the Monaghan constituency at the 1923 general election.[1] He lost his seat at the June 1927 general election.[2]
Duffy was born in Doohamlet, near Castleblayney in County Monaghan. He was an active member of the Irish Volunteers and took part in the Irish War of Independence.