| State: | Tennessee |
| District Number: | 12 |
| Obsolete: | yes |
| Created: | 1830 |
| Eliminated: | 1840 |
| Years: | 1833–1843 |
| Population Year: | 1830 |
Tennessee's 12th congressional district was a district of the United States Congress in Tennessee. It was lost to redistricting in 1843. Its last Representative was Milton Brown.
| Member | Party | Years | Cong ress | Electoral history | |||
|---|---|---|---|---|---|---|---|
| District established March 4, 1833 | |||||||
| align=left | Davy Crockett | Anti-Jacksonian | nowrap | March 4, 1833 – March 3, 1835 | Elected in 1833. Lost re-election. | ||
| align=left | Adam Huntsman | Jacksonian | nowrap | March 4, 1835 – March 3, 1837 | Elected in 1835. Retired. | ||
| align=left | John W. Crockett | Whig | nowrap | March 4, 1837 – March 3, 1841 | Elected in 1837. Re-elected in 1839. Retired to become attorney general for the ninth district. | ||
| align=left | Milton Brown | Whig | nowrap | March 4, 1841 – March 3, 1843 | Elected in 1841. Redistricted to the . | ||
| District dissolved March 4, 1843 | |||||||