United States House of Representatives elections, 1948 Ohio Ohio

| District | Incumbent | Party | First_elected | Result_ | Candidates |
|---|---|---|---|---|---|
| Ohio 18 | Earl R. Lewis | Republican | 1942 | Lost re-election Democratic gain | Wayne L. Hays (D) 54.1% Earl R. Lewis (R) 45.9% |
| Ohio 20 | Michael A. Feighan | Democratic | 1942 | Re-elected | Michael A. Feighan (D) Unopposed |