1803 United States House of Representatives elections in Maryland

Maryland gained 1 seat in reapportionment after the 1800 census. Rather than increasing the number of districts, however, Maryland made the Maryland 5 a plural district with 2 seats.

District	Incumbent	Party	First elected	Result	Candidates
Maryland 1	John Campbell	Federalist	1801	Incumbent re-elected.	√ John Campbell (Federalist) 79.5% William Thomas (Democratic-Republican) 20.5%
Maryland 2	Walter Bowie	Democratic-Republican	1802 (Special)	Incumbent re-elected.	√ Walter Bowie (Democratic-Republican) 99.5% Others 0.5%
Maryland 3	Thomas Plater	Federalist	1801	Incumbent re-elected.	√ Thomas Plater (Federalist) 51.9% Patrick Magruder (Democratic-Republican) 41.7% Richard Wooten (Federalist) 6.4%
Maryland 4	Daniel Hiester	Democratic-Republican	1788 (Pennsylvania) 1801	Incumbent re-elected.	√ Daniel Hiester (Democratic-Republican) 60.0% Eli Williams (Federalist) 40.0%
Maryland 5 Plural district with 2 seats	Samuel Smith	Democratic-Republican	1792	Incumbent retired to run for Senate. New member elected. Democratic-Republican hold.	√ Nicholas R. Moore (Democratic-Republican) 53.8% √ William McCreery (Democratic-Republican) 38.3% George Buchanan (Federalist) 7.8%
	None (Seat created)			New seat. New member elected. Democratic-Republican gain.
Maryland 6	John Archer	Democratic-Republican	1801	Incumbent re-elected.	√ John Archer (Democratic-Republican) 100.0%
Maryland 7	Joseph H. Nicholson	Democratic-Republican	1798 (Special)	Incumbent re-elected.	√ Joseph H. Nicholson (Democratic-Republican) 99.6% Others 0.4%
Maryland 8	John Dennis	Federalist	1796	Incumbent re-elected.	√ John Dennis (Federalist) 94.9% Joshua Prideaux (Democratic-Republican) 3.4% Samuel Heath 1.1% Others 0.7%

See also

• United States House of Representatives elections, 1802 and 1803
• List of United States Representatives from Maryland
• Maryland's 2nd congressional district special election, 1802