D.C. United won the MLS Cup for MLS Cup Champion 4 times (1996, 1997, 1999, 2004).
| Year | Contest | Category | For | Sources |
|---|---|---|---|---|
| 2004 | MLS Cup | MLS Cup Champion | 1 · 2 | |
| 1999 | MLS Cup | MLS Cup Champion | 1 · 2 | |
| 1997 | MLS Cup | MLS Cup Champion | 1 · 2 | |
| 1996 | MLS Cup | MLS Cup Champion | 1 · 2 |