UK Weekend Box Office
UK Box Office 21st April, 1989
| Title | Weekend | Week | Total | % Change | Total Weeks | ||
| 1 (5) |  | Rain Man (1989) | £367,275 | £495,821 | £4,831,824 | -13% | 8 |
| 2 (3) |  | The Dead Pool () | £353,936 | £660,117 | £1,132,595 | -25% | 2 |
| 3 (2) |  | The Tall Guy () | £335,581 | £769,813 | £1,342,324 | -41% | 2 |
| 4 (1) |  | Working Girl () | £304,208 | £425,891 | £2,342,571 | -48% | 4 |
| 5 (4) |  | Twins (1989) | £251,789 | £339,915 | £3,337,631 | -41% | 6 |
| 6 (6) |  | Tequila Sunrise () | £140,079 | £189,107 | £1,606,983 | -41% | 4 |
| 7 (7) |  | Alien Nation () | £129,713 | £188,084 | £823,558 | -44% | 3 |
| 8 (new) |  | Paris By Night (1989) | £71,046 | £71,046 | £71,046 | new | 1 |
| 9 (8) |  | The Naked Gun: From the Files of Police Squad! () | £16,611 | £22,425 | £4,588,603 | -41% | 11 |
| 10 (9) | Fright Night Part 2 () | £13,676 | £19,146 | £113,509 | -50% | 3 | |
| 11 (10) |  | Scandal (1989) | £10,553 | £15,302 | £1,383,713 | -57% | 8 |
| 12 (12) |  | Dangerous Liaisons () | £5,606 | £7,568 | £1,273,344 | -55% | 7 |
| 13 (14) |  | Burning Secret () | £3,181 | £4,612 | £9,383 | -33% | 2 |
| 14 (new) |  | Checking Out () | £540 | £540 | £540 | new | 1 |