Kentucky's 12th congressional district was a district of the United States House of Representatives in Kentucky. It was lost to redistricting in 1843. Its last Representative was Garrett Davis.

Member	Party	Years	Cong ress	Electoral history	Location
District created March 4, 1823
Robert P. Henry (Hopkinsville)	Democratic-Republican	March 4, 1823 – March 3, 1825	18th 19th	Elected in 1822. Re-elected in 1824. Died.	1823–1833 Caldwell, Christian, Hickman, Hopkins, Livingston, Todd, Trigg, and Union counties
	Jacksonian	March 4, 1825 – August 25, 1826
Vacant		August 25, 1826 – December 11, 1826	19th
John F. Henry (Hopkinsville)	Anti-Jacksonian	December 11, 1826 – March 3, 1827		Elected November 20, 1826 to finish Robert Henry's term and seated December 11, 1826. Lost re-election.
Chittenden Lyon (Eddyville)	Jacksonian	March 4, 1827 – March 3, 1833	20th 21st 22nd	Elected in 1827. Re-elected in 1829. Re-elected in 1831. Redistricted to the 1st district.
Thomas A. Marshall (Paris)	Anti-Jacksonian	March 4, 1833 – March 3, 1835	23rd	Redistricted from the 2nd district and re-elected in 1833. Lost re-election.	1833–1843 [data missing]
John Chambers (Washington)	Anti-Jacksonian	March 4, 1835 – March 3, 1837	24th 25th	Elected in 1835. Re-elected in 1837. Retired.
	Whig	March 4, 1837 – March 3, 1839
Garrett Davis (Paris)	Whig	March 4, 1839 – March 3, 1843	26th 27th	Elected in 1839. Re-elected in 1841. Redistricted to the 8th district.
District eliminated March 3, 1843

• Martis, Kenneth C. (1989). The Historical Atlas of Political Parties in the United States Congress. New York: Macmillan Publishing Company.
• Martis, Kenneth C. (1982). The Historical Atlas of United States Congressional Districts. New York: Macmillan Publishing Company.
• Congressional Biographical Directory of the United States 1774–present

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