United States House of Representatives elections, 2006 Massachusetts Massachusetts

| District | Incumbent | Party | First_elected | Results |
|---|---|---|---|---|
| Massachusetts 1 | John Olver | Democratic | 1991 | Re-elected |
| Massachusetts 2 | Richard Neal | Democratic | 1988 | Re-elected |
| Massachusetts 3 | Jim McGovern | Democratic | 1996 | Re-elected |
| Massachusetts 4 | Barney Frank | Democratic | 1980 | Re-elected |
| Massachusetts 5 | Marty Meehan | Democratic | 1992 | Re-elected |
| Massachusetts 6 | John Tierney | Democratic | 1996 | Re-elected |
| Massachusetts 7 | Ed Markey | Democratic | 1976 | Re-elected |
| Massachusetts 8 | Mike Capuano | Democratic | 1998 | Re-elected |
| Massachusetts 9 | Stephen Lynch | Democratic | 2001 | Re-elected |
| Massachusetts 10 | Bill Delahunt | Democratic | 1996 | Re-elected |