1979–80 FA Cup Third round proper Third round proper

| Tie_no | Home_team | Score | Away_team | Date_ |
|---|---|---|---|---|
| 10 | Blackburn Rovers | 1–1 | Fulham | 8 January 1980 |
| Replay | Fulham | 0–1 | Blackburn Rovers | 15 January 1980 |
| 11 | West Bromwich Albion | 1–1 | West Ham United | 5 January 1980 |
| Replay | West Ham United | 2–1 | West Bromwich Albion | 8 January 1980 |
| 12 | Sunderland | 0–1 | Bolton Wanderers | 5 January 1980 |
| 13 | Luton Town | 0–2 | Swindon Town | 5 January 1980 |
| 14 | Everton | 4–1 | Aldershot | 5 January 1980 |
| 15 | Wrexham | 6–0 | Charlton Athletic | 5 January 1980 |
| 16 | Newcastle United | 0–2 | Chester | 5 January 1980 |
| 17 | Tottenham Hotspur | 1–1 | Manchester United | 5 January 1980 |
| Replay | Manchester United | 0–1 | Tottenham Hotspur | 9 January 1980 |
| 18 | Queens Park Rangers | 1–2 | Watford | 5 January 1980 |