1977–78 FA Cup Sixth Round Proper Sixth Round Proper

| Tie_no | Home_team | Score | Away_team | Date_ |
|---|---|---|---|---|
| 1 | Middlesbrough | 0–0 | Orient | 11 March 1978 |
| Replay | Orient | 2–1 | Middlesbrough | 14 March 1978 |
| 2 | West Bromwich Albion | 2–0 | Nottingham Forest | 11 March 1978 |
| 3 | Wrexham | 2–3 | Arsenal | 11 March 1978 |
| 4 | Millwall | 1–6 | Ipswich Town | 11 March 1978 |