| State: | New York |
| Term Start: | 1835 |
| Term End: | 1837 |
| Birth Date: | 2 September 1777 |
| Birth Place: | Norwich, Connecticut, USA |
| Death Place: | Warrensburg, New York, USA |
| Resting Place: | Warrensburg Cemetery |
| Party: | Jacksonian |
Dudley Farlin (September 2, 1777 – September 26, 1837) was an American businessman and politician who served one term as a U.S. Representative from New York from 1835 to 1837.
Born in Norwich, Connecticut, Farlin moved to Dutchess County, New York, in early youth, and later to Warren County.
He engaged in the lumber and grain business.Supervisor of the town of Warrensburg from 1818 to 1820, 1827, and 1828.Sheriff of Warren County in 1821, 1822, and again in 1828.He served as member of the State assembly in 1824.
Farlin was elected as a Jacksonian to the Twenty-fourth Congress (March 4, 1835 – March 3, 1837).
He resumed his former business pursuits.
He died in Warrensburg, New York, on September 26, 1837.He was interred in Warrensburg Cemetery.