1986 Maryland House of Delegates election

The 1986 Maryland House of Delegates elections were held on November 4, 1986, as part of the 1986 United States elections, including the 1986 Maryland gubernatorial election. All 141 of Maryland's state delegates were up for reelection.

Democrats

 * 1) District 1B: William B. Byrnes retired.
 * 2) District 1B: W. Timothy Finan retired.
 * 3) District 9: Donald K. Hughes retired.
 * 4) District 9: Thomas B. Kernan retired to run for Baltimore County Executive.
 * 5) District 11: Arthur S. Alperstein retired to run for state senator in District 11.
 * 6) District 11: Paula Hollinger retired to run for state senator in District 11.
 * 7) District 14: Edward J. Kasemeyer retired to run for state senator in District 14.
 * 8) District 16: Marilyn R. Goldwater retired to run for state senator in District 16.
 * 9) District 18: Helen L. Koss retired.
 * 10) District 19: Idamae Garrott retired to run for state senator in District 19.
 * 11) District 19: Lucille Maurer retired to run for state senator in District 19.
 * 12) District 20: Diane Kirchenbauer retired to run for state senator in District 20.
 * 13) District 20: Ida G. Ruben retired to run for state senator in District 20.
 * 14) District 22: Frank Pesci retired.
 * 15) District 25: Jerry E. Perry retired to run for state senator in District 25.
 * 16) District 25: Albert Wynn retired to run for state senator in District 25.
 * 17) District 26: Frederick C. Rummage retired.
 * 18) District 28B: John Knight Parlett retired.
 * 19) District 30: Elmer F. Hagner Jr. retired.
 * 20) District 30: Robert G. Kramer retired.
 * 21) District 41: Wendell H. Phillips retired to run for Congress in Maryland's 7th congressional district.
 * 22) District 42: Ben Cardin retired to run for Congress in Maryland's 3rd congressional district.

Republicans

 * 1) District 16: Connie Morella retired to run for Congress in Maryland's 8th congressional district.
 * 2) District 21: Thomas J. Mooney retired to run for governor.
 * 3) District 32: Robert R. Neall retired to run for Congress in Maryland's 4th congressional district.
 * 4) District 38: Lewis R. Riley retired to run for state senator in District 38.

Democrats

 * 1) District 3A: Paul D. Muldowney lost renomination to Bruce Poole.
 * 2) District 8: Dale Anderson lost renomination to Donna M. Felling and incumbents Joseph Bartenfelder and William J. Burgess.
 * 3) District 19: Joseph E. Owens lost renomination to Henry B. Heller, Carol S. Petzold, and Leonard H. Teitelbaum.
 * 4) District 22: David Bird lost renomination to Anne MacKinnon, Paul G. Pinsky, and incumbent Richard A. Palumbo.
 * 5) District 26: Marian L. Patterson lost renomination to Rosa Lee Blumenthal, Gloria G. Lawlah, and incumbent Christine Miller Jones.
 * 6) District 31: William Turc Sr. lost renomination to W. Ray Huff, James J. Riley, and incumbent Charles W. Kolodziejski.
 * 7) District 40: Mary B. Adams lost renomination to Tony E. Fulton and incumbents Ralph M. Hughes and Pete Rawlings.
 * 8) District 43: Charles Bucky Muth lost renomination to Ann Marie Doory and incumbents Gerald Curran and Henry R. Hergenroeder Jr.

Republicans

 * 1) District 4B: V. Lanny Harchenhorn lost renomination to Donald B. Elliott.
 * 2) District 10: Thomas W. Chamberlain Sr. lost renomination to Bob Ehrlich and incumbents Wade Kach and Ellen Sauerbrey.

Republicans

 * 1) District 3B: M. Albert Morningstar lost to James E. McClellan and Royd Smith.

Detailed results
All election results are from the Maryland State Board of Elections.