| State: | Massachusetts |
| District Number: | 20 |
| Obsolete: | yes |
| Created: | 1813 |
| Eliminated: | 1820 |
| Years: | 1813–1821 |
| Population Year: | 1810 |
Massachusetts's 20th congressional district is an obsolete district. During its short tenure of 1813–1821 it was located in the District of Maine, prior to Maine achieving statehood.
| Representative | Party | Years ↑ | Cong ress | Electoral history | District location | |||
|---|---|---|---|---|---|---|---|---|
| District created March 4, 1813 | ||||||||
| align=left | Levi Hubbard | Democratic-Republican | nowrap | March 4, 1813 – March 3, 1815 | Elected in 1812. Retired. | 1813 – 1821 "7th Eastern district," District of Maine | ||
| align=left | Albion K. Parris | Democratic-Republican | nowrap | March 4, 1815 – February 3, 1818 | Elected in 1814. Re-elected in 1816. Resigned to become a judge of the District Court of Maine. | |||
| Vacant | nowrap | February 4, 1818 – November 3, 1818 | ||||||
| align=left | Enoch Lincoln | Democratic-Republican | nowrap | November 4, 1818 – March 3, 1821 | Elected to finish Parris's term. Re-elected in 1818. Redistricted to . | |||
| District moved to Maine March 15, 1820 | ||||||||