1820 United States House of Representatives election in Louisiana

Louisiana elected its member July 3–5, 1820.

District	Incumbent			This race
	Member	Party	First elected	Results	Candidates
Louisiana at-large	Thomas Butler	Democratic-Republican	1818	Incumbent lost renomination. New member elected. Democratic-Republican hold.	√ Josiah S. Johnston (Democratic-Republican) 50.9% Edward Livingston (Democratic-Republican) 49.1%

See also

• 1820 and 1821 United States House of Representatives elections
• List of United States representatives from Louisiana