The Maryland county executive elections of 1986 took place on November 4, 1986. Anne Arundel County, Baltimore County, Harford County, Howard County, Montgomery County, and Prince George's County elected county executives.
Anne Arundel County Democratic primary Candidates Nominee O. James Lighthizer, incumbent county executive
Results
Republican primary Candidates Nominee Louise M. R. Beauregard, lobbyist
Eliminated in primary Carol Defibaugh, registered nurse John Grasso, chef
Results
General election Results
Baltimore County Democratic primary Candidates Nominee Dennis F. Rasmussen, state senator
Eliminated in primary Elmer H. Kahline Jr., Baltimore County Clerk of the Circuit Court Thomas B. Kernan, state delegate John W. O'Rourke, county councilmember
Results
Republican primary Candidates Nominee Robert T. Petr, insurance executive
Results
General election Results
Harford County Democratic primary Candidates Nominee Habern W. Freeman, incumbent county executive
Results
Republican primary Candidates Nominee C. Joseph Bernardo, former county councilmember and nominee for county executive in 1982
Results
General election Results
Howard County Democratic primary Candidates Nominee Elizabeth Bobo, county councilmember
Eliminated in primary James H. Clark, county councilmember
Results
Republican primary Candidates Nominee Gilbert South, businessman
Results
General election Results
Montgomery County Democratic primary Candidates Nominee Sidney Kramer, state senator
Eliminated in primary David Robbins, Montgomery County Recreation Director David Scull, county councilmember
Declined Charles W. Gilchrist, incumbent county executive
Results
Republican primary Candidates Nominee Edward J. Gannon, businessman
Eliminated in primary Albert Ceccone, real estate consultant and perennial candidate
Results
General election Results
Prince George's County Democratic primary Candidates Nominee Parris Glendening, incumbent county executive
Eliminated in primary Arthur B. Haynes, schoolteacher and candidate for county executive in 1982
Results
Republican primary Candidates Nominee R. Dan Ritchie, president of the Prince George's Civic Federation
Results
General election Results
References