Maryland House of Delegates District 30A is one of the 67 districts that compose the Maryland House of Delegates.

Along with subdistrict 30B, it makes up the 30th district of the Maryland Senate.

District 30A includes part of Anne Arundel County, and is represented by two delegates.

[1] As of the 2020 United States census, the district had a population of 82,120, of whom 66,039 (80.4%) were of voting age.

The racial makeup of the district was 54,897 (66.8%) White, 11,659 (14.2%) African American, 411 (0.5%) Native American, 1,994 (2.4%) Asian, 37 (0.0%) Pacific Islander, 7,015 (8.5%) from some other race, and 6,111 (7.4%) from two or more races.