| Title | Weekend | Week | Total | % Change | Total Weeks |
| 1 (3) |  | City Slickers (1991) | £1,055,965 | £1,478,351 | £3,858,841 | 5% | 3 |
| 2 (2) |  | Dead Again (1991) | £751,734 | £977,254 | £2,029,681 | -29% | 2 |
| 3 (1) |  | The Commitments (1991) | £629,641 | £850,015 | £5,943,621 | -46% | 5 |
| 4 (new) |  | Rambling Rose (1991) | £622,770 | £622,770 | £622,770 | new | 1 |
| 5 (4) |  | Homicide (1991) | £449,539 | £651,832 | £1,475,679 | -45% | 2 |
| 6 (5) |  | Boyz 'n' the Hood (1991) | £370,993 | £482,291 | £1,127,484 | -42% | 2 |
| 7 (6) |  | The Rescuers Down Under (1990) | £214,110 | £289,049 | £3,105,075 | -60% | 4 |
| 8 (8) |  | Out For Justice (1991) | £199,835 | £289,761 | £2,780,842 | -33% | 5 |
| 9 (12) |  | Jacob's Ladder (1990) | £182,274 | £236,956 | £1,698,062 | -5% | 6 |
| 10 (7) |  | Robin Hood: Prince of Thieves (1991) | £177,295 | £257,078 | £24,809,799 | -60% | 16 |
| 11 (10) |  | Doc Hollywood (1991) | £165,311 | £231,435 | £1,369,646 | -42% | 3 |
| 12 (9) |  | Mortal Thoughts (1991) | £129,498 | £168,347 | £463,745 | -56% | 2 |
| 13 (11) |  | Drop Dead Fred (1991) | £117,186 | £152,342 | £1,483,642 | -40% | 4 |
| 14 (13) |  | Terminator 2: Judgment Day (1991) | £108,543 | £157,387 | £21,876,438 | -17% | 12 |
| 15 (new) | | Twenty One (1991) | £27,415 | £27,415 | £27,415 | new | 1 |
| 16 (15) |  | Life Stinks (1991) | £24,315 | £35,257 | £943,569 | -50% | 6 |
| 17 (18) | | Mannequin: On the Move (1991) | £22,524 | £31,534 | £118,250 | -29% | 3 |
| 18 (20) |  | Let Him Have It (1991) | £17,275 | £23,321 | £340,436 | -33% | 5 |
| 19 (16) | | Harley Davidson and the Marlboro Man (1991) | £15,091 | £19,618 | £240,021 | -57% | 4 |
| 20 (17) |  | Stepping Out (1991) | £11,869 | £16,617 | £2,438,768 | -63% | 7 |
| 21 (21) |  | True Identity (1991) | £6,764 | £9,131 | £1,070,663 | -23% | 8 |