2021 National Amateur Cup
| Tournament details | |
|---|---|
| Country | United States |
| Teams | 46 |
| Final positions | |
| Champions | Lansdowne Yonkers FC (2nd title) |
| Runners-up | Cal FC |
| Tournament statistics | |
| Matches played | 50 |
| Goals scored | 232 (4.64 per match) |
The 2021 National Amateur Cup was the 97th edition of the National Amateur Cup, a knockout cup competition open to amateur teams affiliated with the United States Adult Soccer Association (USASA). This is the third edition of the tournament to award its champion a spot in the U.S. Open Cup.
Lansdowne Yonkers FC won their second National Amateur Cup title, defeating Cal FC 2–1 in the final.