1971–72 FA Cup Fourth Round Proper Fourth Round Proper

| Tie_no | Home_team | Score | Away_team | Date_ |
|---|---|---|---|---|
| 10 | Portsmouth | 2–0 | Swansea City | 5 February 1972 |
| 11 | Millwall | 2–2 | Middlesbrough | 5 February 1972 |
| Replay | Middlesbrough | 2–1 | Millwall | 8 February 1972 |
| 12 | Chelsea | 3–0 | Bolton Wanderers | 5 February 1972 |
| 13 | Huddersfield Town | 3–0 | Fulham | 5 February 1972 |
| 14 | Cardiff City | 1–1 | Sunderland | 5 February 1972 |
| Replay | Sunderland | 1–1 | Cardiff City | 9 February 1972 |
| 2nd replay | Cardiff City | 3–1 | Sunderland | 14 February 1972 |
| 15 | Hereford United | 0–0 | West Ham United | 9 February 1972 |
| Replay | West Ham United | 3–1 | Hereford United | 14 February 1972 |
| 16 | Birmingham City | 1–0 | Ipswich Town | 5 February 1972 |