| American Cup | |
| Year: | 1890 |
| Country: | United States |
| Num Teams: | 14 |
| Winners: | Fall River Olympics |
| Count: | 1 |
| Second: | Kearny Rovers |
| Matches: | 14 |
| Goals: | 88 |
| Prev Season: | 1889 |
| Next Season: | 1891 |
The 1890 American Cup was the sixth edition of the soccer tournament organized by the American Football Association (AFA). The Fall River Olympics won their first title becoming the second Fall River team to do so after the Rovers had won the previous two editions.
| State | City | Team |
|---|---|---|
| Massachusetts | Fall River | Fall River East Ends |
| Fall River Olympics | ||
| Fall River Rovers | ||
| New Jersey | Paterson | Paterson F.B.C. |
| Paterson Thistle | ||
| Newark | Clark O.N.T. | |
| Newark Caledonian | ||
| Kearny | Kearny Rangers | |
| Trenton | Trenton F.B.C. | |
| New York | Brooklyn | Longfellows |
| New York | Thistle | |
| Rhode Island | Lincoln | Lonsdale |
| Pawtucket | Pawtucket Free Wanderers | |
| Providence | Providence Athletics |
The Fall River Rovers and Pawtucket Free Wanderers match was protested because of a dispute regarding gate receipts. The AFA ordered the game replayed. The Rovers disagreed with the decision and elected to withdraw from the Association.[1] Pawtucket therefore was placed in the next round.
Notes;