United States House of Representatives elections, 1984 Massachusetts Massachusetts

| District | Incumbent | Party | First_elected | Result_ | Candidates |
|---|---|---|---|---|---|
| Massachusetts 8 | Tip O`Neill | Democratic | 1952 | Re-elected | Tip O`Neill (D) 91.9% Laura Ross ( C ) 8.1% |
| Massachusetts 9 | Joe Moakley | Democratic | 1972 | Re-elected | Joe Moakley (D) Unopposed |
| Massachusetts 10 | Gerry E. Studds | Democratic | 1972 | Re-elected | Gerry E. Studds (D) 55.7% Lewis Crampton (R) 44.3% |