| Patrick Farrelly | |
| State1: | Pennsylvania |
| Constituency1: | (1821–1823) (1823–1826) |
| Term Start1: | March 4, 1821 |
| Term End1: | January 12, 1826 |
| Preceded1: | Robert Moore |
| Succeeded1: | Thomas Hale Sill |
| Office3: | Member of the Pennsylvania Senate |
| Term3: | 1811-1812 |
| Birth Place: | Kingdom of Ireland |
| Death Place: | Meadville, Pennsylvania, U.S. |
| Party: | Democratic-Republican |
Patrick Farrelly (1770January 12, 1826) was a member of the U.S. House of Representatives from Pennsylvania.
Patrick Farrelly (father of John Wilson Farrelly) was born in the Kingdom of Ireland, a member of the Farrelly family. He immigrated to the United States in 1798. He studied law, was admitted to the bar July 11, 1803, and commenced practice in Meadville, Pennsylvania. He was a member of the Pennsylvania House of Representatives in 1811 and 1812. He served in the War of 1812 as a major of militia.
He was elected a member of the American Antiquarian Society in 1820.[1]
Farrelly was elected as a Republican to the Seventeenth Congress, and was reelected as a Jackson Republican to the Eighteenth Congress and as a Jacksonian candidate to the Nineteenth Congress and served until his death in Meadville in 1826. Interment in Greendale Cemetery.