Tennessee gained three seats in reapportionment following the 1820 United States census. Tennessee elected its members August 7–8, 1823, after the term began but before the new Congress convened.
| District | Incumbent | This race | ||||||
|---|---|---|---|---|---|---|---|---|
| Member | Party | First elected | Results | Candidates | ||||
| None (District created) | New seat. New member elected. Democratic-Republican gain. | nowrap | ||||||
| John Cocke | Democratic-Republican | 1819 | Incumbent re-elected. | nowrap | ||||
| None (District created) | New seat. New member elected. Democratic-Republican gain. | nowrap | ||||||
| None (District created) | New seat. New member elected. Democratic-Republican gain. | nowrap | ||||||
| Robert Allen | Democratic-Republican | 1819 | Incumbent re-elected. | nowrap | ||||
| None (District created) | New seat. New member elected. Democratic-Republican gain. | nowrap | ||||||
| None (District created) | New seat. New member elected. Democratic-Republican gain. | nowrap | ||||||
| None (District created) | New seat. New member elected. Democratic-Republican gain. | nowrap | ||||||
| None (District created) | New seat. New member elected. Democratic-Republican gain. | nowrap | ||||||