 Dewar Challenge Cup | |
| Tournament details | |
|---|---|
| Country |  USA |
| Dates | 11 March- 17 June 1951 |
| Defending champions | St. Louis Simpkins–Ford |
| Final positions | |
| Champions | New York German–Hungarian S.C. (1st title) |
| Runner-up | Heidelberg S.C. |
| Semifinalists | |
The 1951 National Challenge Cup was the 38th edition of the USSFA's annual open soccer championship. The German Hungarian S.C. from Eastern New York defeated the Pittsburgh Heidelberg to win.