| 1986 D.C. National Bank Classic | |
|---|---|
| Date | July 28 – August 3 |
| Edition | 18th |
| Category | Grand Prix |
| Draw | 56S / 28D |
| Prize money | $220,000 |
| Surface | Clay / outdoor |
| Location | Washington, D.C., United States |
| Venue | Rock Creek Park |
| Champions | |
| Singles | |
 Karel Nováček[1] | |
| Doubles | |
 Hans Gildemeister /  Andrés Gómez[2] | |
The 1986 D.C. National Bank Classic was a men's tennis tournament and was played on outdoor green clay courts. The event was part of the 1986 Grand Prix circuit. It was the 18th edition of the tournament and was held at Rock Creek Park in Washington, D.C. from July 28 through August 3, 1986. Unseeded Karel Nováček won the singles title after defeating five seeded players and earned $37,400 first-prize money.[3]
