United States House of Representatives elections, 1820 Maryland Maryland

| District | Incumbent | Party | First_elected | Result_ | Candidates |
|---|---|---|---|---|---|
| Maryland 2 | Joseph Kent | Democratic-Republican | 1818 | Re-elected | Joseph Kent (DR) 96.9% John C. Herbert (F) 2.2% |
| Maryland 3 | Henry R. Warfield | Federalist | 1818 | Re-elected | Henry R. Warfield (F) 99.3% |
| Maryland 5 Plural district with 2 seats | Samuel Smith | Democratic-Republican | 1792 1816 | Re-elected | Peter Little (DR) 50.0% Samuel Smith 50.0% |
| Maryland 5 Plural district with 2 seats | Peter Little | Democratic-Republican | 1810 1816 | Re-elected | Peter Little (DR) 50.0% Samuel Smith 50.0% |
| Maryland 6 | Stevenson Archer | Democratic-Republican | 1811 (special) 1818 | Retired Democratic-Republican hold | Jeremiah Cosden (DR) 49.9% Philip Reed (DR) 49.9% |