Randy McDonald was a Democratic candidate for District 18 of the Maryland House of Delegates. The primary election was on September 14, 2010 and the general election was on November 2.
- See also: Maryland House of Delegates elections, 2010
McDonald withdrew from the campaign on April 21, 2010.
| Current members of the Maryland House of Delegates|
|House Speaker: Michael Busch (D) • House Majority Leader: Kumar Barve (D) • House Minority Leader: Anthony O'Donnell (R)|
|Democratic (98) • Republican (43) • Maryland House of Delegates • Maryland State Senate|