| Title | Weekend | Week | Total | % Change | Total Weeks |
| 1 (1) |  | The Commitments (1991) | £1,298,137 | £1,882,299 | £3,569,962 | 40% | 3 |
| 2 (new) |  | City Slickers (1991) | £1,072,966 | £1,072,966 | £1,072,966 | new | 1 |
| 3 (3) |  | The Rescuers Down Under (1990) | £1,070,552 | £1,498,773 | £2,039,876 | 49% | 2 |
| 4 (new) |  | Doc Hollywood (1991) | £753,747 | £753,747 | £753,747 | new | 1 |
| 5 (4) |  | Out For Justice (1991) | £599,505 | £809,332 | £2,056,439 | 17% | 3 |
| 6 (5) |  | Robin Hood: Prince of Thieves (1991) | £576,208 | £806,691 | £23,932,189 | 20% | 14 |
| 7 (2) |  | Drop Dead Fred (1991) | £349,628 | £489,479 | £1,049,034 | -38% | 2 |
| 8 (7) |  | Jacob's Ladder (1990) | £200,959 | £261,247 | £1,191,922 | -9% | 4 |
| 9 (8) |  | Terminator 2: Judgment Day (1991) | £169,327 | £245,524 | £21,549,723 | -17% | 10 |
| 10 (6) |  | Toy Soldiers (1991) | £131,042 | £170,355 | £463,483 | -55% | 2 |
| 11 (9) |  | Stepping Out (1991) | £64,091 | £86,523 | £2,380,491 | -63% | 5 |
| 12 (13) | | Harley Davidson and the Marlboro Man (1991) | £62,476 | £84,343 | £171,810 | -29% | 2 |
| 13 (11) |  | Life Stinks (1991) | £58,356 | £81,698 | £842,661 | -38% | 4 |
| 14 (12) |  | Regarding Henry (1991) | £48,693 | £70,605 | £1,679,878 | -45% | 6 |
| 15 (new) | | Mannequin: On the Move (1991) | £44,146 | £44,146 | £44,146 | new | 1 |
| 16 (15) |  | Let Him Have It (1991) | £38,870 | £56,362 | £280,837 | -33% | 3 |
| 17 (10) |  | F/X2 (1991) | £23,217 | £30,182 | £970,417 | -76% | 5 |
| 18 (16) |  | True Identity (1991) | £17,586 | £25,500 | £1,049,222 | -50% | 6 |
| 19 (17) | | Meeting Venus (1991) | £7,942 | £10,722 | £129,444 | -23% | 4 |
| 20 (20) |  | Prospero's Books (1991) | £1,717 | £2,318 | £672,272 | -52% | 8 |