| District ▲ | Winner | Party | Votes | % | Margin |
|---|---|---|---|---|---|
| OH-01 | Steve ChabotREP | REP | 385,285 | 51.8% | R+7.2 |
| OH-02 | REP | 377,248 | 61.1% | R+22.2 | |
| OH-03 | Joyce BeattyDEM | DEM | 321,092 | 70.8% | D+41.7 |
| OH-04 | Jim JordanREP | REP | 347,626 | 67.8% | R+38.5 |
| OH-05 | REP | 377,981 | 68.0% | R+36.0 | |
| OH-06 | Bill JohnsonREP | REP | 334,791 | 74.4% | R+48.8 |
| OH-07 | Bob GibbsREP | REP | 350,549 | 67.5% | R+38.3 |
| OH-08 | REP | 357,157 | 69.0% | R+37.9 | |
| OH-09 | Marcy KapturDEM | DEM | 301,752 | 63.1% | D+26.2 |
| OH-10 | REP | 364,948 | 58.4% | R+16.7 | |
| OH-11 | DEM | 302,421 | 80.0% | D+60.1 | |
| OH-12 | REP | 437,672 | 55.2% | R+13.5 | |
| OH-13 | Tim RyanDEM | DEM | 330,801 | 52.5% | D+7.5 |
| OH-14 | REP | 397,450 | 60.1% | R+20.2 | |
| OH-15 | REP | 383,361 | 63.4% | R+26.9 | |
| OH-16 | REP | 391,406 | 63.2% | R+26.4 |