1985–86 FA Cup Fourth Round Proper Fourth Round Proper

| Tie_no | Home_team | Score | Away_team | Date_ |
|---|---|---|---|---|
| 9 | Sheffield United | 0–1 | Derby County | 25 January 1986 |
| 10 | Manchester City | 1–1 | Watford | 25 January 1986 |
| Replay | Watford | 0–0 | Manchester City | 3 February 1986 |
| Replay | Manchester City | 1–3 | Watford | 6 February 1986 |
| 11 | West Ham United | 0–0 | Ipswich Town | 25 January 1986 |
| Replay | Ipswich Town | 1–1 | West Ham United | 4 February 1986 |
| Replay | Ipswich Town | 0–1 | West Ham United | 6 February 1986 |
| 12 | Hull City | 2–3 | Brighton & Hove Albion | 25 January 1986 |
| 13 | Chelsea | 1–2 | Liverpool | 26 January 1986 |
| 14 | Arsenal | 5–1 | Rotherham United | 25 January 1986 |
| 15 | York City | 2–0 | Altrincham | 25 January 1986 |
| 16 | Peterborough United | 1–0 | Carlisle United | 25 January 1986 |