Kentucky elected its members August 3, 1818.
| District | Incumbent | This race | |||||||
|---|---|---|---|---|---|---|---|---|---|
| Member | Party | First elected | Results | Candidates | |||||
| David Trimble | Democratic-Republican | 1816 | Incumbent re-elected. | nowrap | √ David Trimble (Democratic-Republican) 70.6% Thomas Fletcher (Democratic-Republican) 29.4% | ||||
| Henry Clay | Democratic-Republican | 1810 1814 (Resigned) 1814 1815 (Seat declared vacant) 1815 (Special) | Incumbent re-elected. | nowrap | √ Henry Clay (Democratic-Republican) 100% | ||||
| Richard M. Johnson | Democratic-Republican | 1806 | Incumbent retired. New member elected. Democratic-Republican hold. | nowrap | √ William Brown (Democratic-Republican) 59.0% Benjamin Taylor (Federalist) 41.0% | ||||
| Joseph Desha | Democratic-Republican | 1806 | Incumbent lost re-election. New member elected. Democratic-Republican hold. | nowrap | √ Thomas Metcalfe (Democratic-Republican) 61.9% Joseph Desha (Democratic-Republican) 38.1% | ||||
| Anthony New | Democratic-Republican | 1810 1814 (Lost) 1816 | Incumbent retired. New member elected. Democratic-Republican hold. | nowrap | √ Alney McLean (Democratic-Republican) 54.3% Matthew Lyon (Democratic-Republican) 45.7% | ||||
| David Walker | Democratic-Republican | 1816 | Incumbent re-elected. | nowrap | √ David Walker (Democratic-Republican) 78.5% Francis Johnson (Democratic-Republican) 14.0% Benbrook 7.5% | ||||
| George Robertson | Democratic-Republican | 1816 | Incumbent re-elected. | nowrap | √ George Robertson (Democratic-Republican) 100% | ||||
| Richard C. Anderson Jr. | Democratic-Republican | 1816 | Incumbent re-elected. | nowrap | √ Richard C. Anderson Jr. (Democratic-Republican) 100% | ||||
| Tunstall Quarles | Democratic-Republican | 1816 | Incumbent re-elected. | nowrap | √ Tunstall Quarles (Democratic-Republican) | ||||
| Thomas Speed | Democratic-Republican | 1816 | Incumbent retired. New member elected. Democratic-Republican hold. | nowrap | √ Benjamin Hardin (Democratic-Republican) 31.2% Richard Rudd 30.9% John Rowan (Democratic-Republican) 26.0% John Hays 11.9% | ||||