| Country: | District of Columbia |
| Type: | Presidential |
| Previous Election: | 1984 United States House of Representatives election in the District of Columbia |
| Previous Year: | 1984 |
| Next Election: | 1988 United States House of Representatives election in the District of Columbia |
| Next Year: | 1988 |
| Election Date: | November 4, 1986 |
| Candidate1: | Walter E. Fauntroy |
| Party1: | District of Columbia Democratic State Committee |
| Popular Vote1: | 101,604 |
| Percentage1: | 80.09% |
| Candidate2: | Mary L. H. King |
| Party2: | District of Columbia Republican Party |
| Popular Vote2: | 17,643 |
| Percentage2: | 13.91% |
| Delegate | |
| Before Election: | Walter E. Fauntroy |
| Before Party: | District of Columbia Democratic State Committee |
| After Election: | Walter E. Fauntroy |
| After Party: | District of Columbia Democratic State Committee |
On November 4, 1986, the District of Columbia held an election for its non-voting House delegate representing the District of Columbia's at-large congressional district. The winner of the race was Walter E. Fauntroy (D), who won his eighth re-election. All elected members would serve in 100th United States Congress.
The delegate is elected for two-year terms.
Walter E. Fauntroy, a Democrat, sought re-election for his ninth term to the United States House of Representatives. Fauntroy was opposed in this election by Republican challenger Mary King and D.C. Statehood Party candidate Julie McCall, who received 13.91% and 4.83%, respectively. This resulted in Fauntroy being elected with 80.09% of the vote.