1920–21 National Challenge Cup

1920–21 National Challenge Cup
Dewar Challenge Cup
Tournament details
CountryUnited States
Dates16 October 1920-
19 April 1921
Defending championsBen Millers
Final positions
ChampionsRobins Dry Dock (1st title)
Runners-upScullin Steel
Semifinalists

The 1920–21 National Challenge Cup was the annual open cup held by the United States Football Association now known as the Lamar Hunt U.S. Open Cup.