1979–80 FA Cup
| Tournament details | |
|---|---|
| Country | England Wales |
| Defending champions | Arsenal |
| Final positions | |
| Champions | West Ham United (3rd title) |
| Runners-up | Arsenal |
The 1979–80 FA Cup was the 99th season of the world's oldest football knockout competition, The Football Association Challenge Cup, or FA Cup. The final saw second division West Ham United beat holders Arsenal 1–0.