United States House of Representatives elections, 1986 Illinois Illinois

| District | Incumbent | Party | First_elected | Result_ | Candidates |
|---|---|---|---|---|---|
| Illinois 2 | Gus Savage | Democratic | 1980 | Re-elected | Gus Savage (D) 83.8% Ron Taylor (R) 16.2% |
| Illinois 3 | Marty Russo | Democratic | 1974 | Re-elected | Marty Russo (D) 66.2% James J. Tierney (R) 33.8% |
| Illinois 4 | George M. O`Brien | Republican | 1972 | Retired Republican hold | Jack Davis (R) 51.6% Shawn Collins (D) 48.4% |
| Illinois 6 | Henry Hyde | Republican | 1974 | Re-elected | Henry Hyde (R) 75.4% Robert H. Renshaw (D) 24.6% |
| Illinois 9 | Sidney R. Yates | Democratic | 1964 | Re-elected | Sidney R. Yates (D) 71.6% Herbert Sohn (R) 28.4% |
| Illinois 12 | Phil Crane | Republican | 1969 | Re-elected | Phil Crane (R) 77.7% John A. Leonardi (D) 22.3% |