United States House of Representatives elections in Maryland, 1966

The 1966 congressional elections in Maryland were held on November 8, 1966, to determine who will represent the state of Maryland in the United States House of Representatives. Maryland has eight seats in the House, apportioned according to the 1960 United States Census. Representatives are elected for two-year terms; those elected served in the 90th Congress from January 3, 1967 until January 3, 1969.