1977–78 FA Cup Third round proper Third round proper

| Tie_no | Home_team | Score | Away_team | Date_ |
|---|---|---|---|---|
| Replay | Manchester United | 4–2 | Carlisle United | 11 January 1978 |
| 20 | Chelsea | 4–2 | Liverpool | 7 January 1978 |
| 21 | Exeter City | 2–2 | Wolverhampton Wanderers | 7 January 1978 |
| Replay | Wolverhampton Wanderers | 3–1 | Exeter City | 10 January 1978 |
| 22 | Blyth Spartans | 1–0 | Enfield | 7 January 1978 |
| 23 | Mansfield Town | 1–0 | Plymouth Argyle | 7 January 1978 |
| 24 | Cardiff City | 0–2 | Ipswich Town | 7 January 1978 |
| 25 | Charlton Athletic | 0–2 | Notts County | 6 January 1978 |
| 26 | Leeds United | 1–2 | Manchester City | 7 January 1978 |
| 27 | Stoke City | 4–0 | Tilbury | 7 January 1978 |
| 28 | Rotherham United | 1–1 | Millwall | 7 January 1978 |
| Replay | Millwall | 2–0 | Rotherham United | 10 January 1978 |