| E. Wilder Farley | |
| Office: | Member of the Maine Senate |
| Term: | 1856 |
| State2: | Maine |
| Term Start2: | March 4, 1853 |
| Term End2: | March 3, 1855 |
| Predecessor2: | Robert Goodenow |
| Successor2: | Ebenezer Knowlton |
| Office3: | Member of the Maine House of Representatives |
| Term3: | 1843, 1851–1853 |
| Birth Name: | Ephraim Wilder Farley |
| Birth Date: | 29 August 1817 |
| Birth Place: | Newcastle, Maine, U.S. |
| Death Place: | Newcastle, Maine, U.S. |
| Party: | Whig |
| Alma Mater: | Bowdoin College |
| Profession: | Politician, lawyer |
Ephraim Wilder Farley (August 29, 1817 – April 3, 1880) was a U.S. Representative from Maine.
Born in Newcastle, Maine, Farley attended the common schools and graduated from Bowdoin College, Brunswick, Maine, in 1836.He studied law.He was admitted to the bar and commenced practice in Newcastle.He served as a member of the Maine House of Representatives in 1843 and 1851–1853.
Farley was elected as a Whig to the Thirty-third Congress (March 4, 1853 – March 3, 1855).He was an unsuccessful candidate for reelection in 1854 to the Thirty-fourth Congress.He served as a member of the Maine Senate in 1856.He died in Newcastle, Maine, April 3, 1880.He was interred in a tomb on the family estate.