United States House of Representatives elections, 1858 Ohio Ohio

| District | Incumbent | Party | First_elected | Result_ | Candidates |
|---|---|---|---|---|---|
| Ohio 13 | John Sherman | Republican | 1854 | Re-elected | John Sherman (R) 57.1% S. J. Patrick (D) 42.9% |
| Ohio 14 | Philemon Bliss | Republican | 1854 | Retired Republican hold | Cyrus Spink (R) 56.3% J. P. Jeffries (D) 43.7% |
| Ohio 15 | Joseph Burns | Democratic | 1856 | Lost re-election Republican gain | William Helmick (R) 50.7% Joseph Burns (D) 49.3% |
| Ohio 18 | Benjamin F. Leiter | Republican | 1854 | Retired Republican hold | Sidney Edgerton (R) 53.3% J. L. Ranney (D) 46.7% |
| Ohio 19 | Edward Wade | Republican | 1852 | Re-elected | Edward Wade (R) 65.1% J. W. Gray (D) 34.9% |
| Ohio 20 | Joshua Reed Giddings | Republican | 1842 | Lost renomination Republican Hold | John Hutchins (R) 64.7% David Tod (D) 35.3% |